21501044890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1861}}^1\times {\mathrm{88873}}^1$

素因数の和:90754

約数の個数: 32

約数和(自身を含む): 41701813776

約数和(自身を除く): 20200768886

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1861, 3722, 9305, 18610, 24193, 48386, 88873, 120965, 177746, 241930, 444365, 888730, 1155349, 2310698, 5776745, 11553490, 165392653, 330785306, 826963265, 1653926530, 2150104489, 4300208978, 10750522445, 21501044890]

約数ペア:

[(1, 21501044890), (2, 10750522445), (5, 4300208978), (10, 2150104489), (13, 1653926530), (26, 826963265), (65, 330785306), (130, 165392653), (1861, 11553490), (3722, 5776745), (9305, 2310698), (18610, 1155349), (24193, 888730), (48386, 444365), (88873, 241930), (120965, 177746)]