21702975

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{617}}^1$

素因数の和:704

約数の個数: 48

約数和(自身を含む): 41687808

約数和(自身を除く): 19984833

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 67, 75, 105, 175, 201, 335, 469, 525, 617, 1005, 1407, 1675, 1851, 2345, 3085, 4319, 5025, 7035, 9255, 11725, 12957, 15425, 21595, 35175, 41339, 46275, 64785, 107975, 124017, 206695, 289373, 323925, 620085, 868119, 1033475, 1446865, 3100425, 4340595, 7234325, 21702975]

約数ペア:

[(1, 21702975), (3, 7234325), (5, 4340595), (7, 3100425), (15, 1446865), (21, 1033475), (25, 868119), (35, 620085), (67, 323925), (75, 289373), (105, 206695), (175, 124017), (201, 107975), (335, 64785), (469, 46275), (525, 41339), (617, 35175), (1005, 21595), (1407, 15425), (1675, 12957), (1851, 11725), (2345, 9255), (3085, 7035), (4319, 5025)]