21291675

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{12343}}^1$

素因数の和:12379

約数の個数: 24

約数和(自身を含む): 36735744

約数和(自身を除く): 15444069

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 345, 575, 1725, 12343, 37029, 61715, 185145, 283889, 308575, 851667, 925725, 1419445, 4258335, 7097225, 21291675]

約数ペア:

[(1, 21291675), (3, 7097225), (5, 4258335), (15, 1419445), (23, 925725), (25, 851667), (69, 308575), (75, 283889), (115, 185145), (345, 61715), (575, 37029), (1725, 12343)]