21750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{29}}^1$

素因数の和:49

約数の個数: 32

約数和(自身を含む): 56160

約数和(自身を除く): 34410

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 29, 30, 50, 58, 75, 87, 125, 145, 150, 174, 250, 290, 375, 435, 725, 750, 870, 1450, 2175, 3625, 4350, 7250, 10875, 21750]

約数ペア:

[(1, 21750), (2, 10875), (3, 7250), (5, 4350), (6, 3625), (10, 2175), (15, 1450), (25, 870), (29, 750), (30, 725), (50, 435), (58, 375), (75, 290), (87, 250), (125, 174), (145, 150)]