21657592

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{467}}^1$

素因数の和:532

約数の個数: 64

約数和(自身を含む): 48522240

約数和(自身を除く): 26864648

約数列:

[1, 2, 4, 8, 11, 17, 22, 31, 34, 44, 62, 68, 88, 124, 136, 187, 248, 341, 374, 467, 527, 682, 748, 934, 1054, 1364, 1496, 1868, 2108, 2728, 3736, 4216, 5137, 5797, 7939, 10274, 11594, 14477, 15878, 20548, 23188, 28954, 31756, 41096, 46376, 57908, 63512, 87329, 115816, 159247, 174658, 246109, 318494, 349316, 492218, 636988, 698632, 984436, 1273976, 1968872, 2707199, 5414398, 10828796, 21657592]

約数ペア:

[(1, 21657592), (2, 10828796), (4, 5414398), (8, 2707199), (11, 1968872), (17, 1273976), (22, 984436), (31, 698632), (34, 636988), (44, 492218), (62, 349316), (68, 318494), (88, 246109), (124, 174658), (136, 159247), (187, 115816), (248, 87329), (341, 63512), (374, 57908), (467, 46376), (527, 41096), (682, 31756), (748, 28954), (934, 23188), (1054, 20548), (1364, 15878), (1496, 14477), (1868, 11594), (2108, 10274), (2728, 7939), (3736, 5797), (4216, 5137)]