21052203777

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{517393}}^1$

素因数の和:517550

約数の個数: 32

約数和(自身を含む): 34272178560

約数和(自身を除く): 13219974783

約数列:

[1, 3, 9, 11, 27, 33, 99, 137, 297, 411, 1233, 1507, 3699, 4521, 13563, 40689, 517393, 1552179, 4656537, 5691323, 13969611, 17073969, 51221907, 70882841, 153665721, 212648523, 637945569, 779711251, 1913836707, 2339133753, 7017401259, 21052203777]

約数ペア:

[(1, 21052203777), (3, 7017401259), (9, 2339133753), (11, 1913836707), (27, 779711251), (33, 637945569), (99, 212648523), (137, 153665721), (297, 70882841), (411, 51221907), (1233, 17073969), (1507, 13969611), (3699, 5691323), (4521, 4656537), (13563, 1552179), (40689, 517393)]