21962115

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{617}}^1$

素因数の和:748

約数の個数: 48

約数和(自身を含む): 43962048

約数和(自身を除く): 21999933

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 113, 315, 339, 565, 617, 791, 1017, 1695, 1851, 2373, 3085, 3955, 4319, 5085, 5553, 7119, 9255, 11865, 12957, 21595, 27765, 35595, 38871, 64785, 69721, 194355, 209163, 348605, 488047, 627489, 1045815, 1464141, 2440235, 3137445, 4392423, 7320705, 21962115]

約数ペア:

[(1, 21962115), (3, 7320705), (5, 4392423), (7, 3137445), (9, 2440235), (15, 1464141), (21, 1045815), (35, 627489), (45, 488047), (63, 348605), (105, 209163), (113, 194355), (315, 69721), (339, 64785), (565, 38871), (617, 35595), (791, 27765), (1017, 21595), (1695, 12957), (1851, 11865), (2373, 9255), (3085, 7119), (3955, 5553), (4319, 5085)]