21000598872

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{571}}^1\times {\mathrm{139313}}^1$

素因数の和:139904

約数の個数: 64

約数和(自身を含む): 57375077760

約数和(自身を除く): 36374478888

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 571, 1142, 1713, 2284, 3426, 4568, 6281, 6852, 12562, 13704, 18843, 25124, 37686, 50248, 75372, 139313, 150744, 278626, 417939, 557252, 835878, 1114504, 1532443, 1671756, 3064886, 3343512, 4597329, 6129772, 9194658, 12259544, 18389316, 36778632, 79547723, 159095446, 238643169, 318190892, 477286338, 636381784, 875024953, 954572676, 1750049906, 1909145352, 2625074859, 3500099812, 5250149718, 7000199624, 10500299436, 21000598872]

約数ペア:

[(1, 21000598872), (2, 10500299436), (3, 7000199624), (4, 5250149718), (6, 3500099812), (8, 2625074859), (11, 1909145352), (12, 1750049906), (22, 954572676), (24, 875024953), (33, 636381784), (44, 477286338), (66, 318190892), (88, 238643169), (132, 159095446), (264, 79547723), (571, 36778632), (1142, 18389316), (1713, 12259544), (2284, 9194658), (3426, 6129772), (4568, 4597329), (6281, 3343512), (6852, 3064886), (12562, 1671756), (13704, 1532443), (18843, 1114504), (25124, 835878), (37686, 557252), (50248, 417939), (75372, 278626), (139313, 150744)]