21229190

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{21019}}^1$

素因数の和:21127

約数の個数: 16

約数和(自身を含む): 38592720

約数和(自身を除く): 17363530

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 21019, 42038, 105095, 210190, 2122919, 4245838, 10614595, 21229190]

約数ペア:

[(1, 21229190), (2, 10614595), (5, 4245838), (10, 2122919), (101, 210190), (202, 105095), (505, 42038), (1010, 21019)]