21263310

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{26251}}^1$

素因数の和:26270

約数の個数: 40

約数和(自身を含む): 57176856

約数和(自身を除く): 35913546

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 26251, 52502, 78753, 131255, 157506, 236259, 262510, 393765, 472518, 708777, 787530, 1181295, 1417554, 2126331, 2362590, 3543885, 4252662, 7087770, 10631655, 21263310]

約数ペア:

[(1, 21263310), (2, 10631655), (3, 7087770), (5, 4252662), (6, 3543885), (9, 2362590), (10, 2126331), (15, 1417554), (18, 1181295), (27, 787530), (30, 708777), (45, 472518), (54, 393765), (81, 262510), (90, 236259), (135, 157506), (162, 131255), (270, 78753), (405, 52502), (810, 26251)]