21348186

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^2\times {\mathrm{113}}^1$

素因数の和:215

約数の個数: 48

約数和(自身を含む): 46194624

約数和(自身を除く): 24846438

約数列:

[1, 2, 3, 6, 23, 37, 46, 69, 74, 111, 113, 138, 222, 226, 339, 678, 851, 1369, 1702, 2553, 2599, 2738, 4107, 4181, 5106, 5198, 7797, 8214, 8362, 12543, 15594, 25086, 31487, 62974, 94461, 96163, 154697, 188922, 192326, 288489, 309394, 464091, 576978, 928182, 3558031, 7116062, 10674093, 21348186]

約数ペア:

[(1, 21348186), (2, 10674093), (3, 7116062), (6, 3558031), (23, 928182), (37, 576978), (46, 464091), (69, 309394), (74, 288489), (111, 192326), (113, 188922), (138, 154697), (222, 96163), (226, 94461), (339, 62974), (678, 31487), (851, 25086), (1369, 15594), (1702, 12543), (2553, 8362), (2599, 8214), (2738, 7797), (4107, 5198), (4181, 5106)]