21807622

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{4157}}^1$

素因数の和:4263

約数の個数: 16

約数和(自身を含む): 34029072

約数和(自身を除く): 12221450

約数列:

[1, 2, 43, 61, 86, 122, 2623, 4157, 5246, 8314, 178751, 253577, 357502, 507154, 10903811, 21807622]

約数ペア:

[(1, 21807622), (2, 10903811), (43, 507154), (61, 357502), (86, 253577), (122, 178751), (2623, 8314), (4157, 5246)]