21395346

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{509413}}^1$

素因数の和:509425

約数の個数: 16

約数和(自身を含む): 48903744

約数和(自身を除く): 27508398

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 509413, 1018826, 1528239, 3056478, 3565891, 7131782, 10697673, 21395346]

約数ペア:

[(1, 21395346), (2, 10697673), (3, 7131782), (6, 3565891), (7, 3056478), (14, 1528239), (21, 1018826), (42, 509413)]