21441411

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{727}}^1$

素因数の和:875

約数の個数: 24

約数和(自身を含む): 32366880

約数和(自身を除く): 10925469

約数列:

[1, 3, 9, 29, 87, 113, 261, 339, 727, 1017, 2181, 3277, 6543, 9831, 21083, 29493, 63249, 82151, 189747, 246453, 739359, 2382379, 7147137, 21441411]

約数ペア:

[(1, 21441411), (3, 7147137), (9, 2382379), (29, 739359), (87, 246453), (113, 189747), (261, 82151), (339, 63249), (727, 29493), (1017, 21083), (2181, 9831), (3277, 6543)]