21026142

素因数分解:

$2^1\times 3^4\times {\mathrm{107}}^1\times {\mathrm{1213}}^1$

素因数の和:1334

約数の個数: 40

約数和(自身を含む): 47593656

約数和(自身を除く): 26567514

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 107, 162, 214, 321, 642, 963, 1213, 1926, 2426, 2889, 3639, 5778, 7278, 8667, 10917, 17334, 21834, 32751, 65502, 98253, 129791, 196506, 259582, 389373, 778746, 1168119, 2336238, 3504357, 7008714, 10513071, 21026142]

約数ペア:

[(1, 21026142), (2, 10513071), (3, 7008714), (6, 3504357), (9, 2336238), (18, 1168119), (27, 778746), (54, 389373), (81, 259582), (107, 196506), (162, 129791), (214, 98253), (321, 65502), (642, 32751), (963, 21834), (1213, 17334), (1926, 10917), (2426, 8667), (2889, 7278), (3639, 5778)]