21849740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{99317}}^1$

素因数の和:99337

約数の個数: 24

約数和(自身を含む): 50056272

約数和(自身を除く): 28206532

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 99317, 198634, 397268, 496585, 993170, 1092487, 1986340, 2184974, 4369948, 5462435, 10924870, 21849740]

約数ペア:

[(1, 21849740), (2, 10924870), (4, 5462435), (5, 4369948), (10, 2184974), (11, 1986340), (20, 1092487), (22, 993170), (44, 496585), (55, 397268), (110, 198634), (220, 99317)]