21448844

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{491}}^1$

素因数の和:725

約数の個数: 24

約数和(自身を含む): 38407488

約数和(自身を除く): 16958644

約数列:

[1, 2, 4, 67, 134, 163, 268, 326, 491, 652, 982, 1964, 10921, 21842, 32897, 43684, 65794, 80033, 131588, 160066, 320132, 5362211, 10724422, 21448844]

約数ペア:

[(1, 21448844), (2, 10724422), (4, 5362211), (67, 320132), (134, 160066), (163, 131588), (268, 80033), (326, 65794), (491, 43684), (652, 32897), (982, 21842), (1964, 10921)]