21229208

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{241}}^1$

素因数の和:289

約数の個数: 96

約数和(自身を含む): 54072480

約数和(自身を除く): 32843272

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 121, 143, 154, 182, 241, 242, 286, 308, 364, 482, 484, 572, 616, 728, 847, 964, 968, 1001, 1144, 1573, 1687, 1694, 1928, 2002, 2651, 3133, 3146, 3374, 3388, 4004, 5302, 6266, 6292, 6748, 6776, 8008, 10604, 11011, 12532, 12584, 13496, 18557, 21208, 21931, 22022, 25064, 29161, 34463, 37114, 43862, 44044, 58322, 68926, 74228, 87724, 88088, 116644, 137852, 148456, 175448, 204127, 233288, 241241, 275704, 379093, 408254, 482482, 758186, 816508, 964964, 1516372, 1633016, 1929928, 2653651, 3032744, 5307302, 10614604, 21229208]

約数ペア:

[(1, 21229208), (2, 10614604), (4, 5307302), (7, 3032744), (8, 2653651), (11, 1929928), (13, 1633016), (14, 1516372), (22, 964964), (26, 816508), (28, 758186), (44, 482482), (52, 408254), (56, 379093), (77, 275704), (88, 241241), (91, 233288), (104, 204127), (121, 175448), (143, 148456), (154, 137852), (182, 116644), (241, 88088), (242, 87724), (286, 74228), (308, 68926), (364, 58322), (482, 44044), (484, 43862), (572, 37114), (616, 34463), (728, 29161), (847, 25064), (964, 22022), (968, 21931), (1001, 21208), (1144, 18557), (1573, 13496), (1687, 12584), (1694, 12532), (1928, 11011), (2002, 10604), (2651, 8008), (3133, 6776), (3146, 6748), (3374, 6292), (3388, 6266), (4004, 5302)]