21306984

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{52223}}^1$

素因数の和:52249

約数の個数: 32

約数和(自身を含む): 56401920

約数和(自身を除く): 35094936

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408, 52223, 104446, 156669, 208892, 313338, 417784, 626676, 887791, 1253352, 1775582, 2663373, 3551164, 5326746, 7102328, 10653492, 21306984]

約数ペア:

[(1, 21306984), (2, 10653492), (3, 7102328), (4, 5326746), (6, 3551164), (8, 2663373), (12, 1775582), (17, 1253352), (24, 887791), (34, 626676), (51, 417784), (68, 313338), (102, 208892), (136, 156669), (204, 104446), (408, 52223)]