21616452

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:83

約数の個数: 216

約数和(自身を含む): 71940960

約数和(自身を除く): 50324508

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 17, 18, 19, 22, 26, 33, 34, 36, 38, 39, 44, 51, 52, 57, 66, 68, 76, 78, 99, 102, 114, 117, 132, 143, 153, 156, 169, 171, 187, 198, 204, 209, 221, 228, 234, 247, 286, 306, 323, 338, 342, 374, 396, 418, 429, 442, 468, 494, 507, 561, 572, 612, 627, 646, 663, 676, 684, 741, 748, 836, 858, 884, 969, 988, 1014, 1122, 1254, 1287, 1292, 1326, 1482, 1521, 1683, 1716, 1859, 1881, 1938, 1989, 2028, 2223, 2244, 2431, 2508, 2574, 2652, 2717, 2873, 2907, 2964, 3042, 3211, 3366, 3553, 3718, 3762, 3876, 3978, 4199, 4446, 4862, 5148, 5434, 5577, 5746, 5814, 6084, 6422, 6732, 7106, 7293, 7436, 7524, 7956, 8151, 8398, 8619, 8892, 9633, 9724, 10659, 10868, 11154, 11492, 11628, 12597, 12844, 14212, 14586, 16302, 16731, 16796, 17238, 19266, 21318, 21879, 22308, 24453, 25194, 25857, 28899, 29172, 31603, 31977, 32604, 33462, 34476, 35321, 37791, 38532, 42636, 43758, 46189, 48906, 50388, 51714, 54587, 57798, 63206, 63954, 66924, 70642, 75582, 87516, 92378, 94809, 97812, 103428, 105963, 109174, 115596, 126412, 127908, 138567, 141284, 151164, 163761, 184756, 189618, 211926, 218348, 277134, 284427, 317889, 327522, 379236, 415701, 423852, 491283, 554268, 568854, 600457, 635778, 655044, 831402, 982566, 1137708, 1200914, 1271556, 1662804, 1801371, 1965132, 2401828, 3602742, 5404113, 7205484, 10808226, 21616452]

約数ペア:

[(1, 21616452), (2, 10808226), (3, 7205484), (4, 5404113), (6, 3602742), (9, 2401828), (11, 1965132), (12, 1801371), (13, 1662804), (17, 1271556), (18, 1200914), (19, 1137708), (22, 982566), (26, 831402), (33, 655044), (34, 635778), (36, 600457), (38, 568854), (39, 554268), (44, 491283), (51, 423852), (52, 415701), (57, 379236), (66, 327522), (68, 317889), (76, 284427), (78, 277134), (99, 218348), (102, 211926), (114, 189618), (117, 184756), (132, 163761), (143, 151164), (153, 141284), (156, 138567), (169, 127908), (171, 126412), (187, 115596), (198, 109174), (204, 105963), (209, 103428), (221, 97812), (228, 94809), (234, 92378), (247, 87516), (286, 75582), (306, 70642), (323, 66924), (338, 63954), (342, 63206), (374, 57798), (396, 54587), (418, 51714), (429, 50388), (442, 48906), (468, 46189), (494, 43758), (507, 42636), (561, 38532), (572, 37791), (612, 35321), (627, 34476), (646, 33462), (663, 32604), (676, 31977), (684, 31603), (741, 29172), (748, 28899), (836, 25857), (858, 25194), (884, 24453), (969, 22308), (988, 21879), (1014, 21318), (1122, 19266), (1254, 17238), (1287, 16796), (1292, 16731), (1326, 16302), (1482, 14586), (1521, 14212), (1683, 12844), (1716, 12597), (1859, 11628), (1881, 11492), (1938, 11154), (1989, 10868), (2028, 10659), (2223, 9724), (2244, 9633), (2431, 8892), (2508, 8619), (2574, 8398), (2652, 8151), (2717, 7956), (2873, 7524), (2907, 7436), (2964, 7293), (3042, 7106), (3211, 6732), (3366, 6422), (3553, 6084), (3718, 5814), (3762, 5746), (3876, 5577), (3978, 5434), (4199, 5148), (4446, 4862)]