21247464

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{126473}}^1$

素因数の和:126489

約数の個数: 32

約数和(自身を含む): 60707520

約数和(自身を除く): 39460056

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 126473, 252946, 379419, 505892, 758838, 885311, 1011784, 1517676, 1770622, 2655933, 3035352, 3541244, 5311866, 7082488, 10623732, 21247464]

約数ペア:

[(1, 21247464), (2, 10623732), (3, 7082488), (4, 5311866), (6, 3541244), (7, 3035352), (8, 2655933), (12, 1770622), (14, 1517676), (21, 1011784), (24, 885311), (28, 758838), (42, 505892), (56, 379419), (84, 252946), (168, 126473)]