21336447

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{1801}}^1$

素因数の和:2174

約数の個数: 16

約数和(自身を含む): 31138560

約数和(自身を除く): 9802113

約数列:

[1, 3, 11, 33, 359, 1077, 1801, 3949, 5403, 11847, 19811, 59433, 646559, 1939677, 7112149, 21336447]

約数ペア:

[(1, 21336447), (3, 7112149), (11, 1939677), (33, 646559), (359, 59433), (1077, 19811), (1801, 11847), (3949, 5403)]