21045048

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{51581}}^1$

素因数の和:51607

約数の個数: 32

約数和(自身を含む): 55708560

約数和(自身を除く): 34663512

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408, 51581, 103162, 154743, 206324, 309486, 412648, 618972, 876877, 1237944, 1753754, 2630631, 3507508, 5261262, 7015016, 10522524, 21045048]

約数ペア:

[(1, 21045048), (2, 10522524), (3, 7015016), (4, 5261262), (6, 3507508), (8, 2630631), (12, 1753754), (17, 1237944), (24, 876877), (34, 618972), (51, 412648), (68, 309486), (102, 206324), (136, 154743), (204, 103162), (408, 51581)]