21565896

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{81689}}^1$

素因数の和:81709

約数の個数: 32

約数和(自身を含む): 58816800

約数和(自身を除く): 37250904

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 81689, 163378, 245067, 326756, 490134, 653512, 898579, 980268, 1797158, 1960536, 2695737, 3594316, 5391474, 7188632, 10782948, 21565896]

約数ペア:

[(1, 21565896), (2, 10782948), (3, 7188632), (4, 5391474), (6, 3594316), (8, 2695737), (11, 1960536), (12, 1797158), (22, 980268), (24, 898579), (33, 653512), (44, 490134), (66, 326756), (88, 245067), (132, 163378), (264, 81689)]