21540610

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23671}}^1$

素因数の和:23698

約数の個数: 32

約数和(自身を含む): 47722752

約数和(自身を除く): 26182142

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 23671, 47342, 118355, 165697, 236710, 307723, 331394, 615446, 828485, 1538615, 1656970, 2154061, 3077230, 4308122, 10770305, 21540610]

約数ペア:

[(1, 21540610), (2, 10770305), (5, 4308122), (7, 3077230), (10, 2154061), (13, 1656970), (14, 1538615), (26, 828485), (35, 615446), (65, 331394), (70, 307723), (91, 236710), (130, 165697), (182, 118355), (455, 47342), (910, 23671)]