21949730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{383}}^1\times {\mathrm{521}}^1$

素因数の和:922

約数の個数: 32

約数和(自身を含む): 43296768

約数和(自身を除く): 21347038

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 383, 521, 766, 1042, 1915, 2605, 3830, 4213, 5210, 5731, 8426, 11462, 21065, 28655, 42130, 57310, 199543, 399086, 997715, 1995430, 2194973, 4389946, 10974865, 21949730]

約数ペア:

[(1, 21949730), (2, 10974865), (5, 4389946), (10, 2194973), (11, 1995430), (22, 997715), (55, 399086), (110, 199543), (383, 57310), (521, 42130), (766, 28655), (1042, 21065), (1915, 11462), (2605, 8426), (3830, 5731), (4213, 5210)]