21376620044

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{1723}}^1\times {\mathrm{18353}}^1$

素因数の和:20106

約数の個数: 36

約数和(自身を含む): 40533781176

約数和(自身を除く): 19157161132

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 1723, 3446, 6892, 18353, 22399, 36706, 44798, 73412, 89596, 238589, 291187, 477178, 582374, 954356, 1164748, 3101657, 6203314, 12406628, 31622219, 63244438, 126488876, 411088847, 822177694, 1644355388, 5344155011, 10688310022, 21376620044]

約数ペア:

[(1, 21376620044), (2, 10688310022), (4, 5344155011), (13, 1644355388), (26, 822177694), (52, 411088847), (169, 126488876), (338, 63244438), (676, 31622219), (1723, 12406628), (3446, 6203314), (6892, 3101657), (18353, 1164748), (22399, 954356), (36706, 582374), (44798, 477178), (73412, 291187), (89596, 238589)]