21000605763

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{241}}^1\times {\mathrm{397897}}^1$

素因数の和:398214

約数の個数: 16

約数和(自身を含む): 28502229536

約数和(自身を除く): 7501623773

約数列:

[1, 3, 73, 219, 241, 723, 17593, 52779, 397897, 1193691, 29046481, 87139443, 95893177, 287679531, 7000201921, 21000605763]

約数ペア:

[(1, 21000605763), (3, 7000201921), (73, 287679531), (219, 95893177), (241, 87139443), (723, 29046481), (17593, 1193691), (52779, 397897)]