21581256

素因数分解:

$2^3\times 3^1\times {\mathrm{59}}^1\times {\mathrm{15241}}^1$

素因数の和:15309

約数の個数: 32

約数和(自身を含む): 54871200

約数和(自身を除く): 33289944

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 59, 118, 177, 236, 354, 472, 708, 1416, 15241, 30482, 45723, 60964, 91446, 121928, 182892, 365784, 899219, 1798438, 2697657, 3596876, 5395314, 7193752, 10790628, 21581256]

約数ペア:

[(1, 21581256), (2, 10790628), (3, 7193752), (4, 5395314), (6, 3596876), (8, 2697657), (12, 1798438), (24, 899219), (59, 365784), (118, 182892), (177, 121928), (236, 91446), (354, 60964), (472, 45723), (708, 30482), (1416, 15241)]