21883491

素因数分解:

$3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{3581}}^1$

素因数の和:3691

約数の個数: 24

約数和(自身を含む): 36507744

約数和(自身を除く): 14624253

約数列:

[1, 3, 7, 9, 21, 63, 97, 291, 679, 873, 2037, 3581, 6111, 10743, 25067, 32229, 75201, 225603, 347357, 1042071, 2431499, 3126213, 7294497, 21883491]

約数ペア:

[(1, 21883491), (3, 7294497), (7, 3126213), (9, 2431499), (21, 1042071), (63, 347357), (97, 225603), (291, 75201), (679, 32229), (873, 25067), (2037, 10743), (3581, 6111)]