20210225

素因数分解:

$5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2179}}^1$

素因数の和:2249

約数の個数: 24

約数和(自身を含む): 29194560

約数和(自身を除く): 8984335

約数列:

[1, 5, 7, 25, 35, 53, 175, 265, 371, 1325, 1855, 2179, 9275, 10895, 15253, 54475, 76265, 115487, 381325, 577435, 808409, 2887175, 4042045, 20210225]

約数ペア:

[(1, 20210225), (5, 4042045), (7, 2887175), (25, 808409), (35, 577435), (53, 381325), (175, 115487), (265, 76265), (371, 54475), (1325, 15253), (1855, 10895), (2179, 9275)]