21261790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{683}}^1$

素因数の和:984

約数の個数: 32

約数和(自身を含む): 41959296

約数和(自身を除く): 20697506

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 283, 566, 683, 1366, 1415, 2830, 3113, 3415, 6226, 6830, 7513, 15026, 15565, 31130, 37565, 75130, 193289, 386578, 966445, 1932890, 2126179, 4252358, 10630895, 21261790]

約数ペア:

[(1, 21261790), (2, 10630895), (5, 4252358), (10, 2126179), (11, 1932890), (22, 966445), (55, 386578), (110, 193289), (283, 75130), (566, 37565), (683, 31130), (1366, 15565), (1415, 15026), (2830, 7513), (3113, 6830), (3415, 6226)]