21677000

素因数分解:

$2^3\times 5^3\times {\mathrm{53}}^1\times {\mathrm{409}}^1$

素因数の和:483

約数の個数: 64

約数和(自身を含む): 51807600

約数和(自身を除く): 30130600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 53, 100, 106, 125, 200, 212, 250, 265, 409, 424, 500, 530, 818, 1000, 1060, 1325, 1636, 2045, 2120, 2650, 3272, 4090, 5300, 6625, 8180, 10225, 10600, 13250, 16360, 20450, 21677, 26500, 40900, 43354, 51125, 53000, 81800, 86708, 102250, 108385, 173416, 204500, 216770, 409000, 433540, 541925, 867080, 1083850, 2167700, 2709625, 4335400, 5419250, 10838500, 21677000]

約数ペア:

[(1, 21677000), (2, 10838500), (4, 5419250), (5, 4335400), (8, 2709625), (10, 2167700), (20, 1083850), (25, 867080), (40, 541925), (50, 433540), (53, 409000), (100, 216770), (106, 204500), (125, 173416), (200, 108385), (212, 102250), (250, 86708), (265, 81800), (409, 53000), (424, 51125), (500, 43354), (530, 40900), (818, 26500), (1000, 21677), (1060, 20450), (1325, 16360), (1636, 13250), (2045, 10600), (2120, 10225), (2650, 8180), (3272, 6625), (4090, 5300)]