21136620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{9521}}^1$

素因数の和:9570

約数の個数: 48

約数和(自身を含む): 60788448

約数和(自身を除く): 39651828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 9521, 19042, 28563, 38084, 47605, 57126, 95210, 114252, 142815, 190420, 285630, 352277, 571260, 704554, 1056831, 1409108, 1761385, 2113662, 3522770, 4227324, 5284155, 7045540, 10568310, 21136620]

約数ペア:

[(1, 21136620), (2, 10568310), (3, 7045540), (4, 5284155), (5, 4227324), (6, 3522770), (10, 2113662), (12, 1761385), (15, 1409108), (20, 1056831), (30, 704554), (37, 571260), (60, 352277), (74, 285630), (111, 190420), (148, 142815), (185, 114252), (222, 95210), (370, 57126), (444, 47605), (555, 38084), (740, 28563), (1110, 19042), (2220, 9521)]