21466580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3323}}^1$

素因数の和:3368

約数の個数: 48

約数和(自身を含む): 50258880

約数和(自身を除く): 28792300

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 3323, 6460, 6646, 13292, 16615, 33230, 56491, 63137, 66460, 112982, 126274, 225964, 252548, 282455, 315685, 564910, 631370, 1073329, 1129820, 1262740, 2146658, 4293316, 5366645, 10733290, 21466580]

約数ペア:

[(1, 21466580), (2, 10733290), (4, 5366645), (5, 4293316), (10, 2146658), (17, 1262740), (19, 1129820), (20, 1073329), (34, 631370), (38, 564910), (68, 315685), (76, 282455), (85, 252548), (95, 225964), (170, 126274), (190, 112982), (323, 66460), (340, 63137), (380, 56491), (646, 33230), (1292, 16615), (1615, 13292), (3230, 6646), (3323, 6460)]