21852710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{773}}^1$

素因数の和:1048

約数の個数: 32

約数和(自身を含む): 43133472

約数和(自身を除く): 21280762

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 257, 514, 773, 1285, 1546, 2570, 2827, 3865, 5654, 7730, 8503, 14135, 17006, 28270, 42515, 85030, 198661, 397322, 993305, 1986610, 2185271, 4370542, 10926355, 21852710]

約数ペア:

[(1, 21852710), (2, 10926355), (5, 4370542), (10, 2185271), (11, 1986610), (22, 993305), (55, 397322), (110, 198661), (257, 85030), (514, 42515), (773, 28270), (1285, 17006), (1546, 14135), (2570, 8503), (2827, 7730), (3865, 5654)]