21000598860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{8139767}}^1$

素因数の和:8139822

約数の個数: 48

約数和(自身を含む): 60169165056

約数和(自身を除く): 39168566196

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 8139767, 16279534, 24419301, 32559068, 40698835, 48838602, 81397670, 97677204, 122096505, 162795340, 244193010, 350009981, 488386020, 700019962, 1050029943, 1400039924, 1750049905, 2100059886, 3500099810, 4200119772, 5250149715, 7000199620, 10500299430, 21000598860]

約数ペア:

[(1, 21000598860), (2, 10500299430), (3, 7000199620), (4, 5250149715), (5, 4200119772), (6, 3500099810), (10, 2100059886), (12, 1750049905), (15, 1400039924), (20, 1050029943), (30, 700019962), (43, 488386020), (60, 350009981), (86, 244193010), (129, 162795340), (172, 122096505), (215, 97677204), (258, 81397670), (430, 48838602), (516, 40698835), (645, 32559068), (860, 24419301), (1290, 16279534), (2580, 8139767)]