21188856

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{601}}^1$

素因数の和:736

約数の個数: 64

約数和(自身を含む): 57647520

約数和(自身を除く): 36458664

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 113, 156, 226, 312, 339, 452, 601, 678, 904, 1202, 1356, 1469, 1803, 2404, 2712, 2938, 3606, 4407, 4808, 5876, 7212, 7813, 8814, 11752, 14424, 15626, 17628, 23439, 31252, 35256, 46878, 62504, 67913, 93756, 135826, 187512, 203739, 271652, 407478, 543304, 814956, 882869, 1629912, 1765738, 2648607, 3531476, 5297214, 7062952, 10594428, 21188856]

約数ペア:

[(1, 21188856), (2, 10594428), (3, 7062952), (4, 5297214), (6, 3531476), (8, 2648607), (12, 1765738), (13, 1629912), (24, 882869), (26, 814956), (39, 543304), (52, 407478), (78, 271652), (104, 203739), (113, 187512), (156, 135826), (226, 93756), (312, 67913), (339, 62504), (452, 46878), (601, 35256), (678, 31252), (904, 23439), (1202, 17628), (1356, 15626), (1469, 14424), (1803, 11752), (2404, 8814), (2712, 7813), (2938, 7212), (3606, 5876), (4407, 4808)]