21542295

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{577}}^1$

素因数の和:735

約数の個数: 32

約数和(自身を含む): 36622080

約数和(自身を除く): 15079785

約数列:

[1, 3, 5, 15, 19, 57, 95, 131, 285, 393, 577, 655, 1731, 1965, 2489, 2885, 7467, 8655, 10963, 12445, 32889, 37335, 54815, 75587, 164445, 226761, 377935, 1133805, 1436153, 4308459, 7180765, 21542295]

約数ペア:

[(1, 21542295), (3, 7180765), (5, 4308459), (15, 1436153), (19, 1133805), (57, 377935), (95, 226761), (131, 164445), (285, 75587), (393, 54815), (577, 37335), (655, 32889), (1731, 12445), (1965, 10963), (2489, 8655), (2885, 7467)]