21968661

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1249}}^1$

素因数の和:1317

約数の個数: 32

約数和(自身を含む): 35280000

約数和(自身を除く): 13311339

約数列:

[1, 3, 11, 13, 33, 39, 41, 123, 143, 429, 451, 533, 1249, 1353, 1599, 3747, 5863, 13739, 16237, 17589, 41217, 48711, 51209, 153627, 178607, 535821, 563299, 665717, 1689897, 1997151, 7322887, 21968661]

約数ペア:

[(1, 21968661), (3, 7322887), (11, 1997151), (13, 1689897), (33, 665717), (39, 563299), (41, 535821), (123, 178607), (143, 153627), (429, 51209), (451, 48711), (533, 41217), (1249, 17589), (1353, 16237), (1599, 13739), (3747, 5863)]