21747270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{2617}}^1$

素因数の和:2904

約数の個数: 32

約数和(自身を含む): 52401888

約数和(自身を除く): 30654618

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 277, 554, 831, 1385, 1662, 2617, 2770, 4155, 5234, 7851, 8310, 13085, 15702, 26170, 39255, 78510, 724909, 1449818, 2174727, 3624545, 4349454, 7249090, 10873635, 21747270]

約数ペア:

[(1, 21747270), (2, 10873635), (3, 7249090), (5, 4349454), (6, 3624545), (10, 2174727), (15, 1449818), (30, 724909), (277, 78510), (554, 39255), (831, 26170), (1385, 15702), (1662, 13085), (2617, 8310), (2770, 7851), (4155, 5234)]