21422125

素因数分解:

$5^3\times {\mathrm{17}}^2\times {\mathrm{593}}^1$

素因数の和:642

約数の個数: 24

約数和(自身を含む): 28447848

約数和(自身を除く): 7025723

約数列:

[1, 5, 17, 25, 85, 125, 289, 425, 593, 1445, 2125, 2965, 7225, 10081, 14825, 36125, 50405, 74125, 171377, 252025, 856885, 1260125, 4284425, 21422125]

約数ペア:

[(1, 21422125), (5, 4284425), (17, 1260125), (25, 856885), (85, 252025), (125, 171377), (289, 74125), (425, 50405), (593, 36125), (1445, 14825), (2125, 10081), (2965, 7225)]