21138322

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1\times {\mathrm{863}}^1$

素因数の和:1233

約数の個数: 16

約数和(自身を含む): 32700672

約数和(自身を除く): 11562350

約数列:

[1, 2, 37, 74, 331, 662, 863, 1726, 12247, 24494, 31931, 63862, 285653, 571306, 10569161, 21138322]

約数ペア:

[(1, 21138322), (2, 10569161), (37, 571306), (74, 285653), (331, 63862), (662, 31931), (863, 24494), (1726, 12247)]