21474420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{32537}}^1$

素因数の和:32560

約数の個数: 48

約数和(自身を含む): 65596608

約数和(自身を除く): 44122188

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 32537, 65074, 97611, 130148, 162685, 195222, 325370, 357907, 390444, 488055, 650740, 715814, 976110, 1073721, 1431628, 1789535, 1952220, 2147442, 3579070, 4294884, 5368605, 7158140, 10737210, 21474420]

約数ペア:

[(1, 21474420), (2, 10737210), (3, 7158140), (4, 5368605), (5, 4294884), (6, 3579070), (10, 2147442), (11, 1952220), (12, 1789535), (15, 1431628), (20, 1073721), (22, 976110), (30, 715814), (33, 650740), (44, 488055), (55, 390444), (60, 357907), (66, 325370), (110, 195222), (132, 162685), (165, 130148), (220, 97611), (330, 65074), (660, 32537)]