21948044

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{293}}^1\times {\mathrm{307}}^1$

素因数の和:665

約数の個数: 24

約数和(自身を含む): 39299568

約数和(自身を除く): 17351524

約数列:

[1, 2, 4, 61, 122, 244, 293, 307, 586, 614, 1172, 1228, 17873, 18727, 35746, 37454, 71492, 74908, 89951, 179902, 359804, 5487011, 10974022, 21948044]

約数ペア:

[(1, 21948044), (2, 10974022), (4, 5487011), (61, 359804), (122, 179902), (244, 89951), (293, 74908), (307, 71492), (586, 37454), (614, 35746), (1172, 18727), (1228, 17873)]