21658989381

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{994307}}^1$

素因数の和:994500

約数の個数: 16

約数和(自身を含む): 29638332864

約数和(自身を除く): 7979343483

約数列:

[1, 3, 53, 137, 159, 411, 7261, 21783, 994307, 2982921, 52698271, 136220059, 158094813, 408660177, 7219663127, 21658989381]

約数ペア:

[(1, 21658989381), (3, 7219663127), (53, 408660177), (137, 158094813), (159, 136220059), (411, 52698271), (7261, 2982921), (21783, 994307)]