21154324

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{6619}}^1$

素因数の和:6687

約数の個数: 24

約数和(自身を含む): 40037760

約数和(自身を除く): 18883436

約数列:

[1, 2, 4, 17, 34, 47, 68, 94, 188, 799, 1598, 3196, 6619, 13238, 26476, 112523, 225046, 311093, 450092, 622186, 1244372, 5288581, 10577162, 21154324]

約数ペア:

[(1, 21154324), (2, 10577162), (4, 5288581), (17, 1244372), (34, 622186), (47, 450092), (68, 311093), (94, 225046), (188, 112523), (799, 26476), (1598, 13238), (3196, 6619)]