21840002

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{487}}^1\times {\mathrm{1319}}^1$

素因数の和:1825

約数の個数: 16

約数和(自身を含む): 34784640

約数和(自身を除く): 12944638

約数列:

[1, 2, 17, 34, 487, 974, 1319, 2638, 8279, 16558, 22423, 44846, 642353, 1284706, 10920001, 21840002]

約数ペア:

[(1, 21840002), (2, 10920001), (17, 1284706), (34, 642353), (487, 44846), (974, 22423), (1319, 16558), (2638, 8279)]