21503570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{839}}^1$

素因数の和:1090

約数の個数: 32

約数和(自身を含む): 42456960

約数和(自身を除く): 20953390

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 233, 466, 839, 1165, 1678, 2330, 2563, 4195, 5126, 8390, 9229, 12815, 18458, 25630, 46145, 92290, 195487, 390974, 977435, 1954870, 2150357, 4300714, 10751785, 21503570]

約数ペア:

[(1, 21503570), (2, 10751785), (5, 4300714), (10, 2150357), (11, 1954870), (22, 977435), (55, 390974), (110, 195487), (233, 92290), (466, 46145), (839, 25630), (1165, 18458), (1678, 12815), (2330, 9229), (2563, 8390), (4195, 5126)]