21901533

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{1031}}^1$

素因数の和:1204

約数の個数: 16

約数和(自身を含む): 29936256

約数和(自身を除く): 8034723

約数列:

[1, 3, 73, 97, 219, 291, 1031, 3093, 7081, 21243, 75263, 100007, 225789, 300021, 7300511, 21901533]

約数ペア:

[(1, 21901533), (3, 7300511), (73, 300021), (97, 225789), (219, 100007), (291, 75263), (1031, 21243), (3093, 7081)]