21475404

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{13873}}^1$

素因数の和:13926

約数の個数: 36

約数和(自身を含む): 55551496

約数和(自身を除く): 34076092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 13873, 27746, 41619, 55492, 83238, 124857, 166476, 249714, 499428, 596539, 1193078, 1789617, 2386156, 3579234, 5368851, 7158468, 10737702, 21475404]

約数ペア:

[(1, 21475404), (2, 10737702), (3, 7158468), (4, 5368851), (6, 3579234), (9, 2386156), (12, 1789617), (18, 1193078), (36, 596539), (43, 499428), (86, 249714), (129, 166476), (172, 124857), (258, 83238), (387, 55492), (516, 41619), (774, 27746), (1548, 13873)]