21202898

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{5119}}^1$

素因数の和:5249

約数の個数: 16

約数和(自身を含む): 33792000

約数和(自身を除く): 12589102

約数列:

[1, 2, 19, 38, 109, 218, 2071, 4142, 5119, 10238, 97261, 194522, 557971, 1115942, 10601449, 21202898]

約数ペア:

[(1, 21202898), (2, 10601449), (19, 1115942), (38, 557971), (109, 194522), (218, 97261), (2071, 10238), (4142, 5119)]