21299964

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{5897}}^1$

素因数の和:5954

約数の個数: 48

約数和(自身を含む): 58130688

約数和(自身を除く): 36830724

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 84, 86, 129, 172, 258, 301, 516, 602, 903, 1204, 1806, 3612, 5897, 11794, 17691, 23588, 35382, 41279, 70764, 82558, 123837, 165116, 247674, 253571, 495348, 507142, 760713, 1014284, 1521426, 1774997, 3042852, 3549994, 5324991, 7099988, 10649982, 21299964]

約数ペア:

[(1, 21299964), (2, 10649982), (3, 7099988), (4, 5324991), (6, 3549994), (7, 3042852), (12, 1774997), (14, 1521426), (21, 1014284), (28, 760713), (42, 507142), (43, 495348), (84, 253571), (86, 247674), (129, 165116), (172, 123837), (258, 82558), (301, 70764), (516, 41279), (602, 35382), (903, 23588), (1204, 17691), (1806, 11794), (3612, 5897)]