21955582

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{241}}^1$

素因数の和:396

約数の個数: 32

約数和(自身を含む): 37322208

約数和(自身を除く): 15366626

約数列:

[1, 2, 11, 22, 41, 82, 101, 202, 241, 451, 482, 902, 1111, 2222, 2651, 4141, 5302, 8282, 9881, 19762, 24341, 45551, 48682, 91102, 108691, 217382, 267751, 535502, 997981, 1995962, 10977791, 21955582]

約数ペア:

[(1, 21955582), (2, 10977791), (11, 1995962), (22, 997981), (41, 535502), (82, 267751), (101, 217382), (202, 108691), (241, 91102), (451, 48682), (482, 45551), (902, 24341), (1111, 19762), (2222, 9881), (2651, 8282), (4141, 5302)]