21703165

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{1237}}^1$

素因数の和:1293

約数の個数: 24

約数和(自身を含む): 29637720

約数和(自身を除く): 7934555

約数列:

[1, 5, 11, 29, 55, 121, 145, 319, 605, 1237, 1595, 3509, 6185, 13607, 17545, 35873, 68035, 149677, 179365, 394603, 748385, 1973015, 4340633, 21703165]

約数ペア:

[(1, 21703165), (5, 4340633), (11, 1973015), (29, 748385), (55, 394603), (121, 179365), (145, 149677), (319, 68035), (605, 35873), (1237, 17545), (1595, 13607), (3509, 6185)]