21232018

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{1181}}^1$

素因数の和:1373

約数の個数: 16

約数和(自身を含む): 32552280

約数和(自身を除く): 11320262

約数列:

[1, 2, 89, 101, 178, 202, 1181, 2362, 8989, 17978, 105109, 119281, 210218, 238562, 10616009, 21232018]

約数ペア:

[(1, 21232018), (2, 10616009), (89, 238562), (101, 210218), (178, 119281), (202, 105109), (1181, 17978), (2362, 8989)]