21463025

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{229}}^1$

素因数の和:425

約数の個数: 24

約数和(自身を含む): 28063680

約数和(自身を除く): 6600655

約数列:

[1, 5, 23, 25, 115, 163, 229, 575, 815, 1145, 3749, 4075, 5267, 5725, 18745, 26335, 37327, 93725, 131675, 186635, 858521, 933175, 4292605, 21463025]

約数ペア:

[(1, 21463025), (5, 4292605), (23, 933175), (25, 858521), (115, 186635), (163, 131675), (229, 93725), (575, 37327), (815, 26335), (1145, 18745), (3749, 5725), (4075, 5267)]