21847644

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1$

素因数の和:71

約数の個数: 216

約数和(自身を含む): 74605440

約数和(自身を除く): 52757796

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 19, 21, 26, 27, 28, 36, 38, 39, 42, 52, 54, 57, 63, 76, 78, 81, 84, 91, 108, 114, 117, 126, 133, 156, 162, 169, 171, 182, 189, 228, 234, 243, 247, 252, 266, 273, 324, 338, 342, 351, 364, 378, 399, 468, 486, 494, 507, 513, 532, 546, 567, 676, 684, 702, 741, 756, 798, 819, 972, 988, 1014, 1026, 1053, 1092, 1134, 1183, 1197, 1404, 1482, 1521, 1539, 1596, 1638, 1701, 1729, 2028, 2052, 2106, 2223, 2268, 2366, 2394, 2457, 2964, 3042, 3078, 3159, 3211, 3276, 3402, 3458, 3549, 3591, 4212, 4446, 4563, 4617, 4732, 4788, 4914, 5187, 6084, 6156, 6318, 6422, 6669, 6804, 6916, 7098, 7182, 7371, 8892, 9126, 9234, 9633, 9828, 10374, 10647, 10773, 12636, 12844, 13338, 13689, 14196, 14364, 14742, 15561, 18252, 18468, 19266, 20007, 20748, 21294, 21546, 22113, 22477, 26676, 27378, 28899, 29484, 31122, 31941, 32319, 38532, 40014, 41067, 42588, 43092, 44226, 44954, 46683, 54756, 57798, 60021, 62244, 63882, 64638, 67431, 80028, 82134, 86697, 88452, 89908, 93366, 95823, 115596, 120042, 127764, 129276, 134862, 140049, 164268, 173394, 186732, 191646, 202293, 240084, 260091, 269724, 280098, 287469, 346788, 383292, 404586, 420147, 520182, 560196, 574938, 606879, 780273, 809172, 840294, 1040364, 1149876, 1213758, 1560546, 1680588, 1820637, 2427516, 3121092, 3641274, 5461911, 7282548, 10923822, 21847644]

約数ペア:

[(1, 21847644), (2, 10923822), (3, 7282548), (4, 5461911), (6, 3641274), (7, 3121092), (9, 2427516), (12, 1820637), (13, 1680588), (14, 1560546), (18, 1213758), (19, 1149876), (21, 1040364), (26, 840294), (27, 809172), (28, 780273), (36, 606879), (38, 574938), (39, 560196), (42, 520182), (52, 420147), (54, 404586), (57, 383292), (63, 346788), (76, 287469), (78, 280098), (81, 269724), (84, 260091), (91, 240084), (108, 202293), (114, 191646), (117, 186732), (126, 173394), (133, 164268), (156, 140049), (162, 134862), (169, 129276), (171, 127764), (182, 120042), (189, 115596), (228, 95823), (234, 93366), (243, 89908), (247, 88452), (252, 86697), (266, 82134), (273, 80028), (324, 67431), (338, 64638), (342, 63882), (351, 62244), (364, 60021), (378, 57798), (399, 54756), (468, 46683), (486, 44954), (494, 44226), (507, 43092), (513, 42588), (532, 41067), (546, 40014), (567, 38532), (676, 32319), (684, 31941), (702, 31122), (741, 29484), (756, 28899), (798, 27378), (819, 26676), (972, 22477), (988, 22113), (1014, 21546), (1026, 21294), (1053, 20748), (1092, 20007), (1134, 19266), (1183, 18468), (1197, 18252), (1404, 15561), (1482, 14742), (1521, 14364), (1539, 14196), (1596, 13689), (1638, 13338), (1701, 12844), (1729, 12636), (2028, 10773), (2052, 10647), (2106, 10374), (2223, 9828), (2268, 9633), (2366, 9234), (2394, 9126), (2457, 8892), (2964, 7371), (3042, 7182), (3078, 7098), (3159, 6916), (3211, 6804), (3276, 6669), (3402, 6422), (3458, 6318), (3549, 6156), (3591, 6084), (4212, 5187), (4446, 4914), (4563, 4788), (4617, 4732)]