21673580

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{23057}}^1$

素因数の和:23113

約数の個数: 24

約数和(自身を含む): 46484928

約数和(自身を除く): 24811348

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 23057, 46114, 92228, 115285, 230570, 461140, 1083679, 2167358, 4334716, 5418395, 10836790, 21673580]

約数ペア:

[(1, 21673580), (2, 10836790), (4, 5418395), (5, 4334716), (10, 2167358), (20, 1083679), (47, 461140), (94, 230570), (188, 115285), (235, 92228), (470, 46114), (940, 23057)]