21039408

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{11239}}^1$

素因数の和:11266

約数の個数: 60

約数和(自身を含む): 63416080

約数和(自身を除く): 42376672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 11239, 22478, 33717, 44956, 67434, 89912, 101151, 134868, 146107, 179824, 202302, 269736, 292214, 404604, 438321, 539472, 584428, 809208, 876642, 1168856, 1314963, 1618416, 1753284, 2337712, 2629926, 3506568, 5259852, 7013136, 10519704, 21039408]

約数ペア:

[(1, 21039408), (2, 10519704), (3, 7013136), (4, 5259852), (6, 3506568), (8, 2629926), (9, 2337712), (12, 1753284), (13, 1618416), (16, 1314963), (18, 1168856), (24, 876642), (26, 809208), (36, 584428), (39, 539472), (48, 438321), (52, 404604), (72, 292214), (78, 269736), (104, 202302), (117, 179824), (144, 146107), (156, 134868), (208, 101151), (234, 89912), (312, 67434), (468, 44956), (624, 33717), (936, 22478), (1872, 11239)]