21251478

素因数分解:

$2^1\times 3^1\times {\mathrm{571}}^1\times {\mathrm{6203}}^1$

素因数の和:6779

約数の個数: 16

約数和(自身を含む): 42584256

約数和(自身を除く): 21332778

約数列:

[1, 2, 3, 6, 571, 1142, 1713, 3426, 6203, 12406, 18609, 37218, 3541913, 7083826, 10625739, 21251478]

約数ペア:

[(1, 21251478), (2, 10625739), (3, 7083826), (6, 3541913), (571, 37218), (1142, 18609), (1713, 12406), (3426, 6203)]