21643448

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{3701}}^1$

素因数の和:3767

約数の個数: 32

約数和(自身を含む): 43979760

約数和(自身を除く): 22336312

約数列:

[1, 2, 4, 8, 17, 34, 43, 68, 86, 136, 172, 344, 731, 1462, 2924, 3701, 5848, 7402, 14804, 29608, 62917, 125834, 159143, 251668, 318286, 503336, 636572, 1273144, 2705431, 5410862, 10821724, 21643448]

約数ペア:

[(1, 21643448), (2, 10821724), (4, 5410862), (8, 2705431), (17, 1273144), (34, 636572), (43, 503336), (68, 318286), (86, 251668), (136, 159143), (172, 125834), (344, 62917), (731, 29608), (1462, 14804), (2924, 7402), (3701, 5848)]