21971838

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{3511}}^1$

素因数の和:3672

約数の個数: 32

約数和(自身を含む): 50572800

約数和(自身を除く): 28600962

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 149, 298, 447, 894, 1043, 2086, 3129, 3511, 6258, 7022, 10533, 21066, 24577, 49154, 73731, 147462, 523139, 1046278, 1569417, 3138834, 3661973, 7323946, 10985919, 21971838]

約数ペア:

[(1, 21971838), (2, 10985919), (3, 7323946), (6, 3661973), (7, 3138834), (14, 1569417), (21, 1046278), (42, 523139), (149, 147462), (298, 73731), (447, 49154), (894, 24577), (1043, 21066), (2086, 10533), (3129, 7022), (3511, 6258)]