21030096

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{443}}^1$

素因数の和:520

約数の個数: 80

約数和(自身を含む): 58139136

約数和(自身を除く): 37109040

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 43, 46, 48, 69, 86, 92, 129, 138, 172, 184, 258, 276, 344, 368, 443, 516, 552, 688, 886, 989, 1032, 1104, 1329, 1772, 1978, 2064, 2658, 2967, 3544, 3956, 5316, 5934, 7088, 7912, 10189, 10632, 11868, 15824, 19049, 20378, 21264, 23736, 30567, 38098, 40756, 47472, 57147, 61134, 76196, 81512, 114294, 122268, 152392, 163024, 228588, 244536, 304784, 438127, 457176, 489072, 876254, 914352, 1314381, 1752508, 2628762, 3505016, 5257524, 7010032, 10515048, 21030096]

約数ペア:

[(1, 21030096), (2, 10515048), (3, 7010032), (4, 5257524), (6, 3505016), (8, 2628762), (12, 1752508), (16, 1314381), (23, 914352), (24, 876254), (43, 489072), (46, 457176), (48, 438127), (69, 304784), (86, 244536), (92, 228588), (129, 163024), (138, 152392), (172, 122268), (184, 114294), (258, 81512), (276, 76196), (344, 61134), (368, 57147), (443, 47472), (516, 40756), (552, 38098), (688, 30567), (886, 23736), (989, 21264), (1032, 20378), (1104, 19049), (1329, 15824), (1772, 11868), (1978, 10632), (2064, 10189), (2658, 7912), (2967, 7088), (3544, 5934), (3956, 5316)]