22901990

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{21011}}^1$

素因数の和:21127

約数の個数: 16

約数和(自身を含む): 41603760

約数和(自身を除く): 18701770

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 21011, 42022, 105055, 210110, 2290199, 4580398, 11450995, 22901990]

約数ペア:

[(1, 22901990), (2, 11450995), (5, 4580398), (10, 2290199), (109, 210110), (218, 105055), (545, 42022), (1090, 21011)]