21490614

素因数分解:

$2^1\times 3^2\times {\mathrm{307}}^1\times {\mathrm{3889}}^1$

素因数の和:4204

約数の個数: 24

約数和(自身を含む): 46726680

約数和(自身を除く): 25236066

約数列:

[1, 2, 3, 6, 9, 18, 307, 614, 921, 1842, 2763, 3889, 5526, 7778, 11667, 23334, 35001, 70002, 1193923, 2387846, 3581769, 7163538, 10745307, 21490614]

約数ペア:

[(1, 21490614), (2, 10745307), (3, 7163538), (6, 3581769), (9, 2387846), (18, 1193923), (307, 70002), (614, 35001), (921, 23334), (1842, 11667), (2763, 7778), (3889, 5526)]