21780168

素因数分解:

$2^3\times 3^1\times {\mathrm{907507}}^1$

素因数の和:907516

約数の個数: 16

約数和(自身を含む): 54450480

約数和(自身を除く): 32670312

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 907507, 1815014, 2722521, 3630028, 5445042, 7260056, 10890084, 21780168]

約数ペア:

[(1, 21780168), (2, 10890084), (3, 7260056), (4, 5445042), (6, 3630028), (8, 2722521), (12, 1815014), (24, 907507)]