21604304

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{461}}^1$

素因数の和:599

約数の個数: 40

約数和(自身を含む): 43825320

約数和(自身を除く): 22221016

約数列:

[1, 2, 4, 8, 16, 29, 58, 101, 116, 202, 232, 404, 461, 464, 808, 922, 1616, 1844, 2929, 3688, 5858, 7376, 11716, 13369, 23432, 26738, 46561, 46864, 53476, 93122, 106952, 186244, 213904, 372488, 744976, 1350269, 2700538, 5401076, 10802152, 21604304]

約数ペア:

[(1, 21604304), (2, 10802152), (4, 5401076), (8, 2700538), (16, 1350269), (29, 744976), (58, 372488), (101, 213904), (116, 186244), (202, 106952), (232, 93122), (404, 53476), (461, 46864), (464, 46561), (808, 26738), (922, 23432), (1616, 13369), (1844, 11716), (2929, 7376), (3688, 5858)]