21298382

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{821}}^1$

素因数の和:956

約数の個数: 32

約数和(自身を含む): 39061440

約数和(自身を除く): 17763058

約数列:

[1, 2, 7, 14, 17, 34, 109, 119, 218, 238, 763, 821, 1526, 1642, 1853, 3706, 5747, 11494, 12971, 13957, 25942, 27914, 89489, 97699, 178978, 195398, 626423, 1252846, 1521313, 3042626, 10649191, 21298382]

約数ペア:

[(1, 21298382), (2, 10649191), (7, 3042626), (14, 1521313), (17, 1252846), (34, 626423), (109, 195398), (119, 178978), (218, 97699), (238, 89489), (763, 27914), (821, 25942), (1526, 13957), (1642, 12971), (1853, 11494), (3706, 5747)]