21004101

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{1087}}^1$

素因数の和:1225

約数の個数: 24

約数和(自身を含む): 32248320

約数和(自身を除く): 11244219

約数列:

[1, 3, 9, 19, 57, 113, 171, 339, 1017, 1087, 2147, 3261, 6441, 9783, 19323, 20653, 61959, 122831, 185877, 368493, 1105479, 2333789, 7001367, 21004101]

約数ペア:

[(1, 21004101), (3, 7001367), (9, 2333789), (19, 1105479), (57, 368493), (113, 185877), (171, 122831), (339, 61959), (1017, 20653), (1087, 19323), (2147, 9783), (3261, 6441)]