21694485

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{467}}^1$

素因数の和:657

約数の個数: 32

約数和(自身を含む): 36840960

約数和(自身を除く): 15146475

約数列:

[1, 3, 5, 15, 19, 57, 95, 163, 285, 467, 489, 815, 1401, 2335, 2445, 3097, 7005, 8873, 9291, 15485, 26619, 44365, 46455, 76121, 133095, 228363, 380605, 1141815, 1446299, 4338897, 7231495, 21694485]

約数ペア:

[(1, 21694485), (3, 7231495), (5, 4338897), (15, 1446299), (19, 1141815), (57, 380605), (95, 228363), (163, 133095), (285, 76121), (467, 46455), (489, 44365), (815, 26619), (1401, 15485), (2335, 9291), (2445, 8873), (3097, 7005)]