21253426

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{491}}^1\times {\mathrm{941}}^1$

素因数の和:1457

約数の個数: 16

約数和(自身を含む): 33369408

約数和(自身を除く): 12115982

約数列:

[1, 2, 23, 46, 491, 941, 982, 1882, 11293, 21643, 22586, 43286, 462031, 924062, 10626713, 21253426]

約数ペア:

[(1, 21253426), (2, 10626713), (23, 924062), (46, 462031), (491, 43286), (941, 22586), (982, 21643), (1882, 11293)]