21000585936

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1283027}}^1$

素因数の和:1283080

約数の個数: 80

約数和(自身を含む): 61092661248

約数和(自身を除く): 40092075312

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 31, 33, 44, 48, 62, 66, 88, 93, 124, 132, 176, 186, 248, 264, 341, 372, 496, 528, 682, 744, 1023, 1364, 1488, 2046, 2728, 4092, 5456, 8184, 16368, 1283027, 2566054, 3849081, 5132108, 7698162, 10264216, 14113297, 15396324, 20528432, 28226594, 30792648, 39773837, 42339891, 56453188, 61585296, 79547674, 84679782, 112906376, 119321511, 159095348, 169359564, 225812752, 238643022, 318190696, 338719128, 437512207, 477286044, 636381392, 677438256, 875024414, 954572088, 1312536621, 1750048828, 1909144176, 2625073242, 3500097656, 5250146484, 7000195312, 10500292968, 21000585936]

約数ペア:

[(1, 21000585936), (2, 10500292968), (3, 7000195312), (4, 5250146484), (6, 3500097656), (8, 2625073242), (11, 1909144176), (12, 1750048828), (16, 1312536621), (22, 954572088), (24, 875024414), (31, 677438256), (33, 636381392), (44, 477286044), (48, 437512207), (62, 338719128), (66, 318190696), (88, 238643022), (93, 225812752), (124, 169359564), (132, 159095348), (176, 119321511), (186, 112906376), (248, 84679782), (264, 79547674), (341, 61585296), (372, 56453188), (496, 42339891), (528, 39773837), (682, 30792648), (744, 28226594), (1023, 20528432), (1364, 15396324), (1488, 14113297), (2046, 10264216), (2728, 7698162), (4092, 5132108), (5456, 3849081), (8184, 2566054), (16368, 1283027)]