21791688

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{53411}}^1$

素因数の和:53437

約数の個数: 32

約数和(自身を含む): 57684960

約数和(自身を除く): 35893272

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408, 53411, 106822, 160233, 213644, 320466, 427288, 640932, 907987, 1281864, 1815974, 2723961, 3631948, 5447922, 7263896, 10895844, 21791688]

約数ペア:

[(1, 21791688), (2, 10895844), (3, 7263896), (4, 5447922), (6, 3631948), (8, 2723961), (12, 1815974), (17, 1281864), (24, 907987), (34, 640932), (51, 427288), (68, 320466), (102, 213644), (136, 160233), (204, 106822), (408, 53411)]