21122172

素因数分解:

$2^2\times 3^2\times {\mathrm{83}}^1\times {\mathrm{7069}}^1$

素因数の和:7162

約数の個数: 36

約数和(自身を含む): 54043080

約数和(自身を除く): 32920908

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 83, 166, 249, 332, 498, 747, 996, 1494, 2988, 7069, 14138, 21207, 28276, 42414, 63621, 84828, 127242, 254484, 586727, 1173454, 1760181, 2346908, 3520362, 5280543, 7040724, 10561086, 21122172]

約数ペア:

[(1, 21122172), (2, 10561086), (3, 7040724), (4, 5280543), (6, 3520362), (9, 2346908), (12, 1760181), (18, 1173454), (36, 586727), (83, 254484), (166, 127242), (249, 84828), (332, 63621), (498, 42414), (747, 28276), (996, 21207), (1494, 14138), (2988, 7069)]