22255821

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{18593}}^1$

素因数の和:18625

約数の個数: 24

約数和(自身を含む): 38675520

約数和(自身を除く): 16419699

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 18593, 55779, 130151, 167337, 353267, 390453, 1059801, 1171359, 2472869, 3179403, 7418607, 22255821]

約数ペア:

[(1, 22255821), (3, 7418607), (7, 3179403), (9, 2472869), (19, 1171359), (21, 1059801), (57, 390453), (63, 353267), (133, 167337), (171, 130151), (399, 55779), (1197, 18593)]