21069594

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{677}}^1$

素因数の和:724

約数の個数: 96

約数和(自身を含む): 59230080

約数和(自身を除く): 38160486

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 19, 21, 26, 38, 39, 42, 57, 63, 78, 91, 114, 117, 126, 133, 171, 182, 234, 247, 266, 273, 342, 399, 494, 546, 677, 741, 798, 819, 1197, 1354, 1482, 1638, 1729, 2031, 2223, 2394, 3458, 4062, 4446, 4739, 5187, 6093, 8801, 9478, 10374, 12186, 12863, 14217, 15561, 17602, 25726, 26403, 28434, 31122, 38589, 42651, 52806, 61607, 77178, 79209, 85302, 90041, 115767, 123214, 158418, 167219, 180082, 184821, 231534, 270123, 334438, 369642, 501657, 540246, 554463, 810369, 1003314, 1108926, 1170533, 1504971, 1620738, 2341066, 3009942, 3511599, 7023198, 10534797, 21069594]

約数ペア:

[(1, 21069594), (2, 10534797), (3, 7023198), (6, 3511599), (7, 3009942), (9, 2341066), (13, 1620738), (14, 1504971), (18, 1170533), (19, 1108926), (21, 1003314), (26, 810369), (38, 554463), (39, 540246), (42, 501657), (57, 369642), (63, 334438), (78, 270123), (91, 231534), (114, 184821), (117, 180082), (126, 167219), (133, 158418), (171, 123214), (182, 115767), (234, 90041), (247, 85302), (266, 79209), (273, 77178), (342, 61607), (399, 52806), (494, 42651), (546, 38589), (677, 31122), (741, 28434), (798, 26403), (819, 25726), (1197, 17602), (1354, 15561), (1482, 14217), (1638, 12863), (1729, 12186), (2031, 10374), (2223, 9478), (2394, 8801), (3458, 6093), (4062, 5187), (4446, 4739)]