21083450

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{5939}}^1$

素因数の和:6022

約数の個数: 24

約数和(自身を含む): 39774240

約数和(自身を除く): 18690790

約数列:

[1, 2, 5, 10, 25, 50, 71, 142, 355, 710, 1775, 3550, 5939, 11878, 29695, 59390, 148475, 296950, 421669, 843338, 2108345, 4216690, 10541725, 21083450]

約数ペア:

[(1, 21083450), (2, 10541725), (5, 4216690), (10, 2108345), (25, 843338), (50, 421669), (71, 296950), (142, 148475), (355, 59390), (710, 29695), (1775, 11878), (3550, 5939)]