21907688

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{2417}}^1$

素因数の和:2537

約数の個数: 32

約数和(自身を含む): 45264960

約数和(自身を除く): 23357272

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 103, 206, 412, 824, 1133, 2266, 2417, 4532, 4834, 9064, 9668, 19336, 26587, 53174, 106348, 212696, 248951, 497902, 995804, 1991608, 2738461, 5476922, 10953844, 21907688]

約数ペア:

[(1, 21907688), (2, 10953844), (4, 5476922), (8, 2738461), (11, 1991608), (22, 995804), (44, 497902), (88, 248951), (103, 212696), (206, 106348), (412, 53174), (824, 26587), (1133, 19336), (2266, 9668), (2417, 9064), (4532, 4834)]