21498903

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{307}}^1$

素因数の和:595

約数の個数: 24

約数和(自身を含む): 32288256

約数和(自身を除く): 10789353

約数列:

[1, 3, 9, 31, 93, 251, 279, 307, 753, 921, 2259, 2763, 7781, 9517, 23343, 28551, 70029, 77057, 85653, 231171, 693513, 2388767, 7166301, 21498903]

約数ペア:

[(1, 21498903), (3, 7166301), (9, 2388767), (31, 693513), (93, 231171), (251, 85653), (279, 77057), (307, 70029), (753, 28551), (921, 23343), (2259, 9517), (2763, 7781)]