21558780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{119771}}^1$

素因数の和:119786

約数の個数: 36

約数和(自身を含む): 65395512

約数和(自身を除く): 43836732

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 119771, 239542, 359313, 479084, 598855, 718626, 1077939, 1197710, 1437252, 1796565, 2155878, 2395420, 3593130, 4311756, 5389695, 7186260, 10779390, 21558780]

約数ペア:

[(1, 21558780), (2, 10779390), (3, 7186260), (4, 5389695), (5, 4311756), (6, 3593130), (9, 2395420), (10, 2155878), (12, 1796565), (15, 1437252), (18, 1197710), (20, 1077939), (30, 718626), (36, 598855), (45, 479084), (60, 359313), (90, 239542), (180, 119771)]