21876295

素因数分解:

$5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{3079}}^1$

素因数の和:3127

約数の個数: 24

約数和(自身を含む): 31600800

約数和(自身を除く): 9724505

約数列:

[1, 5, 7, 29, 35, 49, 145, 203, 245, 1015, 1421, 3079, 7105, 15395, 21553, 89291, 107765, 150871, 446455, 625037, 754355, 3125185, 4375259, 21876295]

約数ペア:

[(1, 21876295), (5, 4375259), (7, 3125185), (29, 754355), (35, 625037), (49, 446455), (145, 150871), (203, 107765), (245, 89291), (1015, 21553), (1421, 15395), (3079, 7105)]