21703312

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{601}}^1$

素因数の和:707

約数の個数: 40

約数和(自身を含む): 43967672

約数和(自身を除く): 22264360

約数列:

[1, 2, 4, 8, 16, 37, 61, 74, 122, 148, 244, 296, 488, 592, 601, 976, 1202, 2257, 2404, 4514, 4808, 9028, 9616, 18056, 22237, 36112, 36661, 44474, 73322, 88948, 146644, 177896, 293288, 355792, 586576, 1356457, 2712914, 5425828, 10851656, 21703312]

約数ペア:

[(1, 21703312), (2, 10851656), (4, 5425828), (8, 2712914), (16, 1356457), (37, 586576), (61, 355792), (74, 293288), (122, 177896), (148, 146644), (244, 88948), (296, 73322), (488, 44474), (592, 36661), (601, 36112), (976, 22237), (1202, 18056), (2257, 9616), (2404, 9028), (4514, 4808)]