21470030

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{29411}}^1$

素因数の和:29491

約数の個数: 16

約数和(自身を含む): 39176784

約数和(自身を除く): 17706754

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 29411, 58822, 147055, 294110, 2147003, 4294006, 10735015, 21470030]

約数ペア:

[(1, 21470030), (2, 10735015), (5, 4294006), (10, 2147003), (73, 294110), (146, 147055), (365, 58822), (730, 29411)]