2100705215

素因数分解:

$5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{72053}}^1$

素因数の和:72096

約数の個数: 32

約数和(自身を含む): 3112732800

約数和(自身を除く): 1012027585

約数列:

[1, 5, 7, 17, 35, 49, 85, 119, 245, 343, 595, 833, 1715, 4165, 5831, 29155, 72053, 360265, 504371, 1224901, 2521855, 3530597, 6124505, 8574307, 17652985, 24714179, 42871535, 60020149, 123570895, 300100745, 420141043, 2100705215]

約数ペア:

[(1, 2100705215), (5, 420141043), (7, 300100745), (17, 123570895), (35, 60020149), (49, 42871535), (85, 24714179), (119, 17652985), (245, 8574307), (343, 6124505), (595, 3530597), (833, 2521855), (1715, 1224901), (4165, 504371), (5831, 360265), (29155, 72053)]