21036095140

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{9829951}}^1$

素因数の和:9830067

約数の個数: 24

約数和(自身を含む): 44588662272

約数和(自身を除く): 23552567132

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 9829951, 19659902, 39319804, 49149755, 98299510, 196599020, 1051804757, 2103609514, 4207219028, 5259023785, 10518047570, 21036095140]

約数ペア:

[(1, 21036095140), (2, 10518047570), (4, 5259023785), (5, 4207219028), (10, 2103609514), (20, 1051804757), (107, 196599020), (214, 98299510), (428, 49149755), (535, 39319804), (1070, 19659902), (2140, 9829951)]