21615282

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{751}}^1$

素因数の和:816

約数の個数: 64

約数和(自身を含む): 53061120

約数和(自身を除く): 31445838

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 41, 54, 78, 82, 117, 123, 234, 246, 351, 369, 533, 702, 738, 751, 1066, 1107, 1502, 1599, 2214, 2253, 3198, 4506, 4797, 6759, 9594, 9763, 13518, 14391, 19526, 20277, 28782, 29289, 30791, 40554, 58578, 61582, 87867, 92373, 175734, 184746, 263601, 277119, 400283, 527202, 554238, 800566, 831357, 1200849, 1662714, 2401698, 3602547, 7205094, 10807641, 21615282]

約数ペア:

[(1, 21615282), (2, 10807641), (3, 7205094), (6, 3602547), (9, 2401698), (13, 1662714), (18, 1200849), (26, 831357), (27, 800566), (39, 554238), (41, 527202), (54, 400283), (78, 277119), (82, 263601), (117, 184746), (123, 175734), (234, 92373), (246, 87867), (351, 61582), (369, 58578), (533, 40554), (702, 30791), (738, 29289), (751, 28782), (1066, 20277), (1107, 19526), (1502, 14391), (1599, 13518), (2214, 9763), (2253, 9594), (3198, 6759), (4506, 4797)]