21276075

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{9151}}^1$

素因数の和:9195

約数の個数: 24

約数和(自身を含む): 36315136

約数和(自身を除く): 15039061

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 155, 465, 775, 2325, 9151, 27453, 45755, 137265, 228775, 283681, 686325, 851043, 1418405, 4255215, 7092025, 21276075]

約数ペア:

[(1, 21276075), (3, 7092025), (5, 4255215), (15, 1418405), (25, 851043), (31, 686325), (75, 283681), (93, 228775), (155, 137265), (465, 45755), (775, 27453), (2325, 9151)]