21291216

素因数分解:

$2^4\times 3^1\times {\mathrm{443567}}^1$

素因数の和:443578

約数の個数: 20

約数和(自身を含む): 55002432

約数和(自身を除く): 33711216

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 443567, 887134, 1330701, 1774268, 2661402, 3548536, 5322804, 7097072, 10645608, 21291216]

約数ペア:

[(1, 21291216), (2, 10645608), (3, 7097072), (4, 5322804), (6, 3548536), (8, 2661402), (12, 1774268), (16, 1330701), (24, 887134), (48, 443567)]