21014146720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{18762631}}^1$

素因数の和:18762653

約数の個数: 48

約数和(自身を含む): 56738199168

約数和(自身を除く): 35724052448

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 18762631, 37525262, 75050524, 93813155, 131338417, 150101048, 187626310, 262676834, 300202096, 375252620, 525353668, 600404192, 656692085, 750505240, 1050707336, 1313384170, 1501010480, 2101414672, 2626768340, 3002020960, 4202829344, 5253536680, 10507073360, 21014146720]

約数ペア:

[(1, 21014146720), (2, 10507073360), (4, 5253536680), (5, 4202829344), (7, 3002020960), (8, 2626768340), (10, 2101414672), (14, 1501010480), (16, 1313384170), (20, 1050707336), (28, 750505240), (32, 656692085), (35, 600404192), (40, 525353668), (56, 375252620), (70, 300202096), (80, 262676834), (112, 187626310), (140, 150101048), (160, 131338417), (224, 93813155), (280, 75050524), (560, 37525262), (1120, 18762631)]