21882920

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{3623}}^1$

素因数の和:3785

約数の個数: 32

約数和(自身を含む): 49576320

約数和(自身を除く): 27693400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 3020, 3623, 6040, 7246, 14492, 18115, 28984, 36230, 72460, 144920, 547073, 1094146, 2188292, 2735365, 4376584, 5470730, 10941460, 21882920]

約数ペア:

[(1, 21882920), (2, 10941460), (4, 5470730), (5, 4376584), (8, 2735365), (10, 2188292), (20, 1094146), (40, 547073), (151, 144920), (302, 72460), (604, 36230), (755, 28984), (1208, 18115), (1510, 14492), (3020, 7246), (3623, 6040)]