21976626

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{1889}}^1$

素因数の和:2178

約数の個数: 32

約数和(自身を含む): 50440320

約数和(自身を除く): 28463694

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 277, 554, 831, 1662, 1889, 1939, 3778, 3878, 5667, 5817, 11334, 11634, 13223, 26446, 39669, 79338, 523253, 1046506, 1569759, 3139518, 3662771, 7325542, 10988313, 21976626]

約数ペア:

[(1, 21976626), (2, 10988313), (3, 7325542), (6, 3662771), (7, 3139518), (14, 1569759), (21, 1046506), (42, 523253), (277, 79338), (554, 39669), (831, 26446), (1662, 13223), (1889, 11634), (1939, 11334), (3778, 5817), (3878, 5667)]