21152826

素因数分解:

$2^1\times 3^4\times {\mathrm{37}}^1\times {\mathrm{3529}}^1$

素因数の和:3580

約数の個数: 40

約数和(自身を含む): 48692820

約数和(自身を除く): 27539994

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 81, 111, 162, 222, 333, 666, 999, 1998, 2997, 3529, 5994, 7058, 10587, 21174, 31761, 63522, 95283, 130573, 190566, 261146, 285849, 391719, 571698, 783438, 1175157, 2350314, 3525471, 7050942, 10576413, 21152826]

約数ペア:

[(1, 21152826), (2, 10576413), (3, 7050942), (6, 3525471), (9, 2350314), (18, 1175157), (27, 783438), (37, 571698), (54, 391719), (74, 285849), (81, 261146), (111, 190566), (162, 130573), (222, 95283), (333, 63522), (666, 31761), (999, 21174), (1998, 10587), (2997, 7058), (3529, 5994)]