21761642

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{21893}}^1$

素因数の和:21973

約数の個数: 16

約数和(自身を含む): 37832832

約数和(自身を除く): 16071190

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 21893, 43786, 153251, 306502, 1554403, 3108806, 10880821, 21761642]

約数ペア:

[(1, 21761642), (2, 10880821), (7, 3108806), (14, 1554403), (71, 306502), (142, 153251), (497, 43786), (994, 21893)]