21248280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{59023}}^1$

素因数の和:59040

約数の個数: 48

約数和(自身を含む): 69058080

約数和(自身を除く): 47809800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 59023, 118046, 177069, 236092, 295115, 354138, 472184, 531207, 590230, 708276, 885345, 1062414, 1180460, 1416552, 1770690, 2124828, 2360920, 2656035, 3541380, 4249656, 5312070, 7082760, 10624140, 21248280]

約数ペア:

[(1, 21248280), (2, 10624140), (3, 7082760), (4, 5312070), (5, 4249656), (6, 3541380), (8, 2656035), (9, 2360920), (10, 2124828), (12, 1770690), (15, 1416552), (18, 1180460), (20, 1062414), (24, 885345), (30, 708276), (36, 590230), (40, 531207), (45, 472184), (60, 354138), (72, 295115), (90, 236092), (120, 177069), (180, 118046), (360, 59023)]