21146756

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{191}}^1\times {\mathrm{311}}^1$

素因数の和:595

約数の個数: 24

約数和(自身を含む): 37739520

約数和(自身を除く): 16592764

約数列:

[1, 2, 4, 89, 178, 191, 311, 356, 382, 622, 764, 1244, 16999, 27679, 33998, 55358, 59401, 67996, 110716, 118802, 237604, 5286689, 10573378, 21146756]

約数ペア:

[(1, 21146756), (2, 10573378), (4, 5286689), (89, 237604), (178, 118802), (191, 110716), (311, 67996), (356, 59401), (382, 55358), (622, 33998), (764, 27679), (1244, 16999)]