21884236

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{1721}}^1$

素因数の和:1770

約数の個数: 36

約数和(自身を含む): 44406936

約数和(自身を除く): 22522700

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 289, 374, 578, 748, 1156, 1721, 3179, 3442, 6358, 6884, 12716, 18931, 29257, 37862, 58514, 75724, 117028, 321827, 497369, 643654, 994738, 1287308, 1989476, 5471059, 10942118, 21884236]

約数ペア:

[(1, 21884236), (2, 10942118), (4, 5471059), (11, 1989476), (17, 1287308), (22, 994738), (34, 643654), (44, 497369), (68, 321827), (187, 117028), (289, 75724), (374, 58514), (578, 37862), (748, 29257), (1156, 18931), (1721, 12716), (3179, 6884), (3442, 6358)]