21069048

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{877}}^1$

素因数の和:917

約数の個数: 128

約数和(自身を含む): 70801920

約数和(自身を除く): 49732872

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 13, 14, 21, 22, 24, 26, 28, 33, 39, 42, 44, 52, 56, 66, 77, 78, 84, 88, 91, 104, 132, 143, 154, 156, 168, 182, 231, 264, 273, 286, 308, 312, 364, 429, 462, 546, 572, 616, 728, 858, 877, 924, 1001, 1092, 1144, 1716, 1754, 1848, 2002, 2184, 2631, 3003, 3432, 3508, 4004, 5262, 6006, 6139, 7016, 8008, 9647, 10524, 11401, 12012, 12278, 18417, 19294, 21048, 22802, 24024, 24556, 28941, 34203, 36834, 38588, 45604, 49112, 57882, 67529, 68406, 73668, 77176, 79807, 91208, 115764, 125411, 135058, 136812, 147336, 159614, 202587, 231528, 239421, 250822, 270116, 273624, 319228, 376233, 405174, 478842, 501644, 540232, 638456, 752466, 810348, 877877, 957684, 1003288, 1504932, 1620696, 1755754, 1915368, 2633631, 3009864, 3511508, 5267262, 7023016, 10534524, 21069048]

約数ペア:

[(1, 21069048), (2, 10534524), (3, 7023016), (4, 5267262), (6, 3511508), (7, 3009864), (8, 2633631), (11, 1915368), (12, 1755754), (13, 1620696), (14, 1504932), (21, 1003288), (22, 957684), (24, 877877), (26, 810348), (28, 752466), (33, 638456), (39, 540232), (42, 501644), (44, 478842), (52, 405174), (56, 376233), (66, 319228), (77, 273624), (78, 270116), (84, 250822), (88, 239421), (91, 231528), (104, 202587), (132, 159614), (143, 147336), (154, 136812), (156, 135058), (168, 125411), (182, 115764), (231, 91208), (264, 79807), (273, 77176), (286, 73668), (308, 68406), (312, 67529), (364, 57882), (429, 49112), (462, 45604), (546, 38588), (572, 36834), (616, 34203), (728, 28941), (858, 24556), (877, 24024), (924, 22802), (1001, 21048), (1092, 19294), (1144, 18417), (1716, 12278), (1754, 12012), (1848, 11401), (2002, 10524), (2184, 9647), (2631, 8008), (3003, 7016), (3432, 6139), (3508, 6006), (4004, 5262)]