21948340

素因数分解:

$2^2\times 5^1\times {\mathrm{677}}^1\times {\mathrm{1621}}^1$

素因数の和:2307

約数の個数: 24

約数和(自身を含む): 46188072

約数和(自身を除く): 24239732

約数列:

[1, 2, 4, 5, 10, 20, 677, 1354, 1621, 2708, 3242, 3385, 6484, 6770, 8105, 13540, 16210, 32420, 1097417, 2194834, 4389668, 5487085, 10974170, 21948340]

約数ペア:

[(1, 21948340), (2, 10974170), (4, 5487085), (5, 4389668), (10, 2194834), (20, 1097417), (677, 32420), (1354, 16210), (1621, 13540), (2708, 8105), (3242, 6770), (3385, 6484)]