21200338

素因数分解:

$2^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1\times {\mathrm{631}}^1$

素因数の和:897

約数の個数: 16

約数和(自身を含む): 32353344

約数和(自身を除く): 11153006

約数列:

[1, 2, 107, 157, 214, 314, 631, 1262, 16799, 33598, 67517, 99067, 135034, 198134, 10600169, 21200338]

約数ペア:

[(1, 21200338), (2, 10600169), (107, 198134), (157, 135034), (214, 99067), (314, 67517), (631, 33598), (1262, 16799)]