21164148

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{15889}}^1$

素因数の和:15936

約数の個数: 36

約数和(自身を含む): 54947620

約数和(自身を除く): 33783472

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 333, 444, 666, 1332, 15889, 31778, 47667, 63556, 95334, 143001, 190668, 286002, 572004, 587893, 1175786, 1763679, 2351572, 3527358, 5291037, 7054716, 10582074, 21164148]

約数ペア:

[(1, 21164148), (2, 10582074), (3, 7054716), (4, 5291037), (6, 3527358), (9, 2351572), (12, 1763679), (18, 1175786), (36, 587893), (37, 572004), (74, 286002), (111, 190668), (148, 143001), (222, 95334), (333, 63556), (444, 47667), (666, 31778), (1332, 15889)]