2100175

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1091}}^1$

素因数の和:1119

約数の個数: 24

約数和(自身を含む): 3249792

約数和(自身を除く): 1149617

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 275, 385, 1091, 1925, 5455, 7637, 12001, 27275, 38185, 60005, 84007, 190925, 300025, 420035, 2100175]

約数ペア:

[(1, 2100175), (5, 420035), (7, 300025), (11, 190925), (25, 84007), (35, 60005), (55, 38185), (77, 27275), (175, 12001), (275, 7637), (385, 5455), (1091, 1925)]