21284392

素因数分解:

$2^3\times {\mathrm{359}}^1\times {\mathrm{7411}}^1$

素因数の和:7776

約数の個数: 16

約数和(自身を含む): 40024800

約数和(自身を除く): 18740408

約数列:

[1, 2, 4, 8, 359, 718, 1436, 2872, 7411, 14822, 29644, 59288, 2660549, 5321098, 10642196, 21284392]

約数ペア:

[(1, 21284392), (2, 10642196), (4, 5321098), (8, 2660549), (359, 59288), (718, 29644), (1436, 14822), (2872, 7411)]