21214396

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{8513}}^1$

素因数の和:8613

約数の個数: 24

約数和(自身を含む): 42910560

約数和(自身を除く): 21696164

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 8513, 17026, 34052, 59591, 119182, 238364, 757657, 1515314, 3030628, 5303599, 10607198, 21214396]

約数ペア:

[(1, 21214396), (2, 10607198), (4, 5303599), (7, 3030628), (14, 1515314), (28, 757657), (89, 238364), (178, 119182), (356, 59591), (623, 34052), (1246, 17026), (2492, 8513)]