21611896

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{367}}^1\times {\mathrm{433}}^1$

素因数の和:823

約数の個数: 32

約数和(自身を含む): 43122240

約数和(自身を除く): 21510344

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 367, 433, 734, 866, 1468, 1732, 2936, 3464, 6239, 7361, 12478, 14722, 24956, 29444, 49912, 58888, 158911, 317822, 635644, 1271288, 2701487, 5402974, 10805948, 21611896]

約数ペア:

[(1, 21611896), (2, 10805948), (4, 5402974), (8, 2701487), (17, 1271288), (34, 635644), (68, 317822), (136, 158911), (367, 58888), (433, 49912), (734, 29444), (866, 24956), (1468, 14722), (1732, 12478), (2936, 7361), (3464, 6239)]