21893834

素因数分解:

$2^1\times {\mathrm{163}}^1\times {\mathrm{239}}^1\times {\mathrm{281}}^1$

素因数の和:685

約数の個数: 16

約数和(自身を含む): 33298560

約数和(自身を除く): 11404726

約数列:

[1, 2, 163, 239, 281, 326, 478, 562, 38957, 45803, 67159, 77914, 91606, 134318, 10946917, 21893834]

約数ペア:

[(1, 21893834), (2, 10946917), (163, 134318), (239, 91606), (281, 77914), (326, 67159), (478, 45803), (562, 38957)]