21250392

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{18839}}^1$

素因数の和:18895

約数の個数: 32

約数和(自身を含む): 54259200

約数和(自身を除く): 33008808

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 94, 141, 188, 282, 376, 564, 1128, 18839, 37678, 56517, 75356, 113034, 150712, 226068, 452136, 885433, 1770866, 2656299, 3541732, 5312598, 7083464, 10625196, 21250392]

約数ペア:

[(1, 21250392), (2, 10625196), (3, 7083464), (4, 5312598), (6, 3541732), (8, 2656299), (12, 1770866), (24, 885433), (47, 452136), (94, 226068), (141, 150712), (188, 113034), (282, 75356), (376, 56517), (564, 37678), (1128, 18839)]