21716552

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{463}}^1$

素因数の和:534

約数の個数: 64

約数和(自身を含む): 49109760

約数和(自身を除く): 27393208

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 41, 44, 52, 82, 88, 104, 143, 164, 286, 328, 451, 463, 533, 572, 902, 926, 1066, 1144, 1804, 1852, 2132, 3608, 3704, 4264, 5093, 5863, 6019, 10186, 11726, 12038, 18983, 20372, 23452, 24076, 37966, 40744, 46904, 48152, 66209, 75932, 132418, 151864, 208813, 246779, 264836, 417626, 493558, 529672, 835252, 987116, 1670504, 1974232, 2714569, 5429138, 10858276, 21716552]

約数ペア:

[(1, 21716552), (2, 10858276), (4, 5429138), (8, 2714569), (11, 1974232), (13, 1670504), (22, 987116), (26, 835252), (41, 529672), (44, 493558), (52, 417626), (82, 264836), (88, 246779), (104, 208813), (143, 151864), (164, 132418), (286, 75932), (328, 66209), (451, 48152), (463, 46904), (533, 40744), (572, 37966), (902, 24076), (926, 23452), (1066, 20372), (1144, 18983), (1804, 12038), (1852, 11726), (2132, 10186), (3608, 6019), (3704, 5863), (4264, 5093)]