21373424

素因数分解:

$2^4\times {\mathrm{61}}^2\times {\mathrm{359}}^1$

素因数の和:489

約数の個数: 30

約数和(自身を含む): 42218280

約数和(自身を除く): 20844856

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 359, 488, 718, 976, 1436, 2872, 3721, 5744, 7442, 14884, 21899, 29768, 43798, 59536, 87596, 175192, 350384, 1335839, 2671678, 5343356, 10686712, 21373424]

約数ペア:

[(1, 21373424), (2, 10686712), (4, 5343356), (8, 2671678), (16, 1335839), (61, 350384), (122, 175192), (244, 87596), (359, 59536), (488, 43798), (718, 29768), (976, 21899), (1436, 14884), (2872, 7442), (3721, 5744)]