21197175

素因数分解:

$3^1\times 5^2\times {\mathrm{233}}^1\times {\mathrm{1213}}^1$

素因数の和:1459

約数の個数: 24

約数和(自身を含む): 35225424

約数和(自身を除く): 14028249

約数列:

[1, 3, 5, 15, 25, 75, 233, 699, 1165, 1213, 3495, 3639, 5825, 6065, 17475, 18195, 30325, 90975, 282629, 847887, 1413145, 4239435, 7065725, 21197175]

約数ペア:

[(1, 21197175), (3, 7065725), (5, 4239435), (15, 1413145), (25, 847887), (75, 282629), (233, 90975), (699, 30325), (1165, 18195), (1213, 17475), (3495, 6065), (3639, 5825)]