21977475

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{22541}}^1$

素因数の和:22567

約数の個数: 24

約数和(自身を含む): 39132912

約数和(自身を除く): 17155437

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 22541, 67623, 112705, 293033, 338115, 563525, 879099, 1465165, 1690575, 4395495, 7325825, 21977475]

約数ペア:

[(1, 21977475), (3, 7325825), (5, 4395495), (13, 1690575), (15, 1465165), (25, 879099), (39, 563525), (65, 338115), (75, 293033), (195, 112705), (325, 67623), (975, 22541)]