21582012

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{347}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 51916032

約数和(自身を除く): 30334020

約数列:

[1, 2, 3, 4, 6, 12, 71, 73, 142, 146, 213, 219, 284, 292, 347, 426, 438, 694, 852, 876, 1041, 1388, 2082, 4164, 5183, 10366, 15549, 20732, 24637, 25331, 31098, 49274, 50662, 62196, 73911, 75993, 98548, 101324, 147822, 151986, 295644, 303972, 1798501, 3597002, 5395503, 7194004, 10791006, 21582012]

約数ペア:

[(1, 21582012), (2, 10791006), (3, 7194004), (4, 5395503), (6, 3597002), (12, 1798501), (71, 303972), (73, 295644), (142, 151986), (146, 147822), (213, 101324), (219, 98548), (284, 75993), (292, 73911), (347, 62196), (426, 50662), (438, 49274), (694, 31098), (852, 25331), (876, 24637), (1041, 20732), (1388, 15549), (2082, 10366), (4164, 5183)]