21587110

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5521}}^1$

素因数の和:5568

約数の個数: 32

約数和(自身を含む): 42939072

約数和(自身を除く): 21351962

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 391, 782, 1955, 3910, 5521, 11042, 27605, 55210, 93857, 126983, 187714, 253966, 469285, 634915, 938570, 1269830, 2158711, 4317422, 10793555, 21587110]

約数ペア:

[(1, 21587110), (2, 10793555), (5, 4317422), (10, 2158711), (17, 1269830), (23, 938570), (34, 634915), (46, 469285), (85, 253966), (115, 187714), (170, 126983), (230, 93857), (391, 55210), (782, 27605), (1955, 11042), (3910, 5521)]