21446901

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{5081}}^1$

素因数の和:5161

約数の個数: 24

約数和(自身を含む): 35939904

約数和(自身を除く): 14493003

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 4221, 5081, 15243, 35567, 45729, 106701, 320103, 340427, 1021281, 2382989, 3063843, 7148967, 21446901]

約数ペア:

[(1, 21446901), (3, 7148967), (7, 3063843), (9, 2382989), (21, 1021281), (63, 340427), (67, 320103), (201, 106701), (469, 45729), (603, 35567), (1407, 15243), (4221, 5081)]