16221380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1063}}^1$

素因数の和:1188

約数の個数: 48

約数和(自身を含む): 39325440

約数和(自身を除く): 23104060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1063, 1090, 1526, 2126, 2180, 3052, 3815, 4252, 5315, 7441, 7630, 10630, 14882, 15260, 21260, 29764, 37205, 74410, 115867, 148820, 231734, 463468, 579335, 811069, 1158670, 1622138, 2317340, 3244276, 4055345, 8110690, 16221380]

約数ペア:

[(1, 16221380), (2, 8110690), (4, 4055345), (5, 3244276), (7, 2317340), (10, 1622138), (14, 1158670), (20, 811069), (28, 579335), (35, 463468), (70, 231734), (109, 148820), (140, 115867), (218, 74410), (436, 37205), (545, 29764), (763, 21260), (1063, 15260), (1090, 14882), (1526, 10630), (2126, 7630), (2180, 7441), (3052, 5315), (3815, 4252)]