21852890

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{17207}}^1$

素因数の和:17341

約数の個数: 16

約数和(自身を含む): 39647232

約数和(自身を除く): 17794342

約数列:

[1, 2, 5, 10, 127, 254, 635, 1270, 17207, 34414, 86035, 172070, 2185289, 4370578, 10926445, 21852890]

約数ペア:

[(1, 21852890), (2, 10926445), (5, 4370578), (10, 2185289), (127, 172070), (254, 86035), (635, 34414), (1270, 17207)]