21012960

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{43777}}^1$

素因数の和:43795

約数の個数: 48

約数和(自身を含む): 66192336

約数和(自身を除く): 45179376

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 43777, 87554, 131331, 175108, 218885, 262662, 350216, 437770, 525324, 656655, 700432, 875540, 1050648, 1313310, 1400864, 1751080, 2101296, 2626620, 3502160, 4202592, 5253240, 7004320, 10506480, 21012960]

約数ペア:

[(1, 21012960), (2, 10506480), (3, 7004320), (4, 5253240), (5, 4202592), (6, 3502160), (8, 2626620), (10, 2101296), (12, 1751080), (15, 1400864), (16, 1313310), (20, 1050648), (24, 875540), (30, 700432), (32, 656655), (40, 525324), (48, 437770), (60, 350216), (80, 262662), (96, 218885), (120, 175108), (160, 131331), (240, 87554), (480, 43777)]