21666832

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{401}}^1$

素因数の和:727

約数の個数: 40

約数和(自身を含む): 46059552

約数和(自身を除く): 24392720

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 307, 401, 614, 802, 1228, 1604, 2456, 3208, 3377, 4411, 4912, 6416, 6754, 8822, 13508, 17644, 27016, 35288, 54032, 70576, 123107, 246214, 492428, 984856, 1354177, 1969712, 2708354, 5416708, 10833416, 21666832]

約数ペア:

[(1, 21666832), (2, 10833416), (4, 5416708), (8, 2708354), (11, 1969712), (16, 1354177), (22, 984856), (44, 492428), (88, 246214), (176, 123107), (307, 70576), (401, 54032), (614, 35288), (802, 27016), (1228, 17644), (1604, 13508), (2456, 8822), (3208, 6754), (3377, 6416), (4411, 4912)]