21578110

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{337}}^2$

素因数の和:700

約数の個数: 24

約数和(自身を含む): 41006520

約数和(自身を除く): 19428410

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 337, 674, 1685, 3370, 6403, 12806, 32015, 64030, 113569, 227138, 567845, 1135690, 2157811, 4315622, 10789055, 21578110]

約数ペア:

[(1, 21578110), (2, 10789055), (5, 4315622), (10, 2157811), (19, 1135690), (38, 567845), (95, 227138), (190, 113569), (337, 64030), (674, 32015), (1685, 12806), (3370, 6403)]