21331882

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{74587}}^1$

素因数の和:74613

約数の個数: 16

約数和(自身を含む): 37592352

約数和(自身を除く): 16260470

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 74587, 149174, 820457, 969631, 1640914, 1939262, 10665941, 21331882]

約数ペア:

[(1, 21331882), (2, 10665941), (11, 1939262), (13, 1640914), (22, 969631), (26, 820457), (143, 149174), (286, 74587)]