21612720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{90053}}^1$

素因数の和:90069

約数の個数: 40

約数和(自身を含む): 67000176

約数和(自身を除く): 45387456

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 90053, 180106, 270159, 360212, 450265, 540318, 720424, 900530, 1080636, 1350795, 1440848, 1801060, 2161272, 2701590, 3602120, 4322544, 5403180, 7204240, 10806360, 21612720]

約数ペア:

[(1, 21612720), (2, 10806360), (3, 7204240), (4, 5403180), (5, 4322544), (6, 3602120), (8, 2701590), (10, 2161272), (12, 1801060), (15, 1440848), (16, 1350795), (20, 1080636), (24, 900530), (30, 720424), (40, 540318), (48, 450265), (60, 360212), (80, 270159), (120, 180106), (240, 90053)]