21560193

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{2137}}^1$

素因数の和:2221

約数の個数: 24

約数和(自身を含む): 33352800

約数和(自身を除く): 11792607

約数列:

[1, 3, 9, 19, 57, 59, 171, 177, 531, 1121, 2137, 3363, 6411, 10089, 19233, 40603, 121809, 126083, 365427, 378249, 1134747, 2395577, 7186731, 21560193]

約数ペア:

[(1, 21560193), (3, 7186731), (9, 2395577), (19, 1134747), (57, 378249), (59, 365427), (171, 126083), (177, 121809), (531, 40603), (1121, 19233), (2137, 10089), (3363, 6411)]