21213240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{176777}}^1$

素因数の和:176791

約数の個数: 32

約数和(自身を含む): 63640080

約数和(自身を除く): 42426840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 176777, 353554, 530331, 707108, 883885, 1060662, 1414216, 1767770, 2121324, 2651655, 3535540, 4242648, 5303310, 7071080, 10606620, 21213240]

約数ペア:

[(1, 21213240), (2, 10606620), (3, 7071080), (4, 5303310), (5, 4242648), (6, 3535540), (8, 2651655), (10, 2121324), (12, 1767770), (15, 1414216), (20, 1060662), (24, 883885), (30, 707108), (40, 530331), (60, 353554), (120, 176777)]