21098288

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{227}}^1$

素因数の和:429

約数の個数: 40

約数和(自身を含む): 42436272

約数和(自身を除く): 21337984

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 157, 227, 296, 314, 454, 592, 628, 908, 1256, 1816, 2512, 3632, 5809, 8399, 11618, 16798, 23236, 33596, 35639, 46472, 67192, 71278, 92944, 134384, 142556, 285112, 570224, 1318643, 2637286, 5274572, 10549144, 21098288]

約数ペア:

[(1, 21098288), (2, 10549144), (4, 5274572), (8, 2637286), (16, 1318643), (37, 570224), (74, 285112), (148, 142556), (157, 134384), (227, 92944), (296, 71278), (314, 67192), (454, 46472), (592, 35639), (628, 33596), (908, 23236), (1256, 16798), (1816, 11618), (2512, 8399), (3632, 5809)]