21694740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8819}}^1$

素因数の和:8872

約数の個数: 48

約数和(自身を含む): 62233920

約数和(自身を除く): 40539180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 8819, 17638, 26457, 35276, 44095, 52914, 88190, 105828, 132285, 176380, 264570, 361579, 529140, 723158, 1084737, 1446316, 1807895, 2169474, 3615790, 4338948, 5423685, 7231580, 10847370, 21694740]

約数ペア:

[(1, 21694740), (2, 10847370), (3, 7231580), (4, 5423685), (5, 4338948), (6, 3615790), (10, 2169474), (12, 1807895), (15, 1446316), (20, 1084737), (30, 723158), (41, 529140), (60, 361579), (82, 264570), (123, 176380), (164, 132285), (205, 105828), (246, 88190), (410, 52914), (492, 44095), (615, 35276), (820, 26457), (1230, 17638), (2460, 8819)]