21074544

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{4721}}^1$

素因数の和:4766

約数の個数: 60

約数和(自身を含む): 60894912

約数和(自身を除く): 39820368

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 93, 124, 144, 186, 248, 279, 372, 496, 558, 744, 1116, 1488, 2232, 4464, 4721, 9442, 14163, 18884, 28326, 37768, 42489, 56652, 75536, 84978, 113304, 146351, 169956, 226608, 292702, 339912, 439053, 585404, 679824, 878106, 1170808, 1317159, 1756212, 2341616, 2634318, 3512424, 5268636, 7024848, 10537272, 21074544]

約数ペア:

[(1, 21074544), (2, 10537272), (3, 7024848), (4, 5268636), (6, 3512424), (8, 2634318), (9, 2341616), (12, 1756212), (16, 1317159), (18, 1170808), (24, 878106), (31, 679824), (36, 585404), (48, 439053), (62, 339912), (72, 292702), (93, 226608), (124, 169956), (144, 146351), (186, 113304), (248, 84978), (279, 75536), (372, 56652), (496, 42489), (558, 37768), (744, 28326), (1116, 18884), (1488, 14163), (2232, 9442), (4464, 4721)]