21955784

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{937}}^1$

素因数の和:1073

約数の個数: 32

約数和(自身を含む): 43054200

約数和(自身を除く): 21098416

約数列:

[1, 2, 4, 8, 29, 58, 101, 116, 202, 232, 404, 808, 937, 1874, 2929, 3748, 5858, 7496, 11716, 23432, 27173, 54346, 94637, 108692, 189274, 217384, 378548, 757096, 2744473, 5488946, 10977892, 21955784]

約数ペア:

[(1, 21955784), (2, 10977892), (4, 5488946), (8, 2744473), (29, 757096), (58, 378548), (101, 217384), (116, 189274), (202, 108692), (232, 94637), (404, 54346), (808, 27173), (937, 23432), (1874, 11716), (2929, 7496), (3748, 5858)]