21945924

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1$

素因数の和:80

約数の個数: 288

約数和(自身を含む): 80438400

約数和(自身を除く): 58492476

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 13, 14, 18, 21, 22, 26, 27, 28, 29, 33, 36, 39, 42, 44, 49, 52, 54, 58, 63, 66, 77, 78, 84, 87, 91, 98, 99, 108, 116, 117, 126, 132, 143, 147, 154, 156, 174, 182, 189, 196, 198, 203, 231, 234, 252, 261, 273, 286, 294, 297, 308, 319, 348, 351, 364, 377, 378, 396, 406, 429, 441, 462, 468, 522, 539, 546, 572, 588, 594, 609, 637, 638, 693, 702, 754, 756, 783, 812, 819, 858, 882, 924, 957, 1001, 1044, 1078, 1092, 1131, 1188, 1218, 1274, 1276, 1287, 1323, 1386, 1404, 1421, 1508, 1566, 1617, 1638, 1716, 1764, 1827, 1911, 1914, 2002, 2079, 2156, 2233, 2262, 2436, 2457, 2548, 2574, 2639, 2646, 2772, 2842, 2871, 3003, 3132, 3234, 3276, 3393, 3654, 3822, 3828, 3861, 4004, 4147, 4158, 4263, 4466, 4524, 4851, 4914, 5148, 5278, 5292, 5481, 5684, 5733, 5742, 6006, 6468, 6699, 6786, 7007, 7308, 7644, 7722, 7917, 8294, 8316, 8526, 8613, 8932, 9009, 9702, 9828, 10179, 10556, 10962, 11466, 11484, 12012, 12441, 12789, 13398, 13572, 14014, 14553, 15444, 15631, 15834, 16588, 17052, 17199, 17226, 18018, 18473, 19404, 20097, 20358, 21021, 21924, 22932, 23751, 24882, 25578, 26796, 27027, 28028, 29029, 29106, 31262, 31668, 34398, 34452, 36036, 36946, 37323, 38367, 40194, 40716, 42042, 46893, 47502, 49764, 51156, 54054, 55419, 58058, 58212, 60291, 62524, 63063, 68796, 71253, 73892, 74646, 76734, 80388, 84084, 87087, 93786, 95004, 108108, 110838, 111969, 116116, 120582, 126126, 140679, 142506, 149292, 153468, 166257, 174174, 187572, 189189, 203203, 221676, 223938, 241164, 252252, 261261, 281358, 285012, 332514, 348348, 378378, 406406, 422037, 447876, 498771, 522522, 562716, 609609, 665028, 756756, 783783, 812812, 844074, 997542, 1045044, 1219218, 1567566, 1688148, 1828827, 1995084, 2438436, 3135132, 3657654, 5486481, 7315308, 10972962, 21945924]

約数ペア:

[(1, 21945924), (2, 10972962), (3, 7315308), (4, 5486481), (6, 3657654), (7, 3135132), (9, 2438436), (11, 1995084), (12, 1828827), (13, 1688148), (14, 1567566), (18, 1219218), (21, 1045044), (22, 997542), (26, 844074), (27, 812812), (28, 783783), (29, 756756), (33, 665028), (36, 609609), (39, 562716), (42, 522522), (44, 498771), (49, 447876), (52, 422037), (54, 406406), (58, 378378), (63, 348348), (66, 332514), (77, 285012), (78, 281358), (84, 261261), (87, 252252), (91, 241164), (98, 223938), (99, 221676), (108, 203203), (116, 189189), (117, 187572), (126, 174174), (132, 166257), (143, 153468), (147, 149292), (154, 142506), (156, 140679), (174, 126126), (182, 120582), (189, 116116), (196, 111969), (198, 110838), (203, 108108), (231, 95004), (234, 93786), (252, 87087), (261, 84084), (273, 80388), (286, 76734), (294, 74646), (297, 73892), (308, 71253), (319, 68796), (348, 63063), (351, 62524), (364, 60291), (377, 58212), (378, 58058), (396, 55419), (406, 54054), (429, 51156), (441, 49764), (462, 47502), (468, 46893), (522, 42042), (539, 40716), (546, 40194), (572, 38367), (588, 37323), (594, 36946), (609, 36036), (637, 34452), (638, 34398), (693, 31668), (702, 31262), (754, 29106), (756, 29029), (783, 28028), (812, 27027), (819, 26796), (858, 25578), (882, 24882), (924, 23751), (957, 22932), (1001, 21924), (1044, 21021), (1078, 20358), (1092, 20097), (1131, 19404), (1188, 18473), (1218, 18018), (1274, 17226), (1276, 17199), (1287, 17052), (1323, 16588), (1386, 15834), (1404, 15631), (1421, 15444), (1508, 14553), (1566, 14014), (1617, 13572), (1638, 13398), (1716, 12789), (1764, 12441), (1827, 12012), (1911, 11484), (1914, 11466), (2002, 10962), (2079, 10556), (2156, 10179), (2233, 9828), (2262, 9702), (2436, 9009), (2457, 8932), (2548, 8613), (2574, 8526), (2639, 8316), (2646, 8294), (2772, 7917), (2842, 7722), (2871, 7644), (3003, 7308), (3132, 7007), (3234, 6786), (3276, 6699), (3393, 6468), (3654, 6006), (3822, 5742), (3828, 5733), (3861, 5684), (4004, 5481), (4147, 5292), (4158, 5278), (4263, 5148), (4466, 4914), (4524, 4851)]