21960590

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{449}}^1$

素因数の和:596

約数の個数: 32

約数和(自身を含む): 40759200

約数和(自身を除く): 18798610

約数列:

[1, 2, 5, 10, 67, 73, 134, 146, 335, 365, 449, 670, 730, 898, 2245, 4490, 4891, 9782, 24455, 30083, 32777, 48910, 60166, 65554, 150415, 163885, 300830, 327770, 2196059, 4392118, 10980295, 21960590]

約数ペア:

[(1, 21960590), (2, 10980295), (5, 4392118), (10, 2196059), (67, 327770), (73, 300830), (134, 163885), (146, 150415), (335, 65554), (365, 60166), (449, 48910), (670, 32777), (730, 30083), (898, 24455), (2245, 9782), (4490, 4891)]