21782904

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{577}}^1$

素因数の和:621

約数の個数: 96

約数和(自身を含む): 64574160

約数和(自身を除く): 42791256

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 33, 39, 44, 52, 66, 78, 88, 104, 121, 132, 143, 156, 242, 264, 286, 312, 363, 429, 484, 572, 577, 726, 858, 968, 1144, 1154, 1452, 1573, 1716, 1731, 2308, 2904, 3146, 3432, 3462, 4616, 4719, 6292, 6347, 6924, 7501, 9438, 12584, 12694, 13848, 15002, 18876, 19041, 22503, 25388, 30004, 37752, 38082, 45006, 50776, 60008, 69817, 76164, 82511, 90012, 139634, 152328, 165022, 180024, 209451, 247533, 279268, 330044, 418902, 495066, 558536, 660088, 837804, 907621, 990132, 1675608, 1815242, 1980264, 2722863, 3630484, 5445726, 7260968, 10891452, 21782904]

約数ペア:

[(1, 21782904), (2, 10891452), (3, 7260968), (4, 5445726), (6, 3630484), (8, 2722863), (11, 1980264), (12, 1815242), (13, 1675608), (22, 990132), (24, 907621), (26, 837804), (33, 660088), (39, 558536), (44, 495066), (52, 418902), (66, 330044), (78, 279268), (88, 247533), (104, 209451), (121, 180024), (132, 165022), (143, 152328), (156, 139634), (242, 90012), (264, 82511), (286, 76164), (312, 69817), (363, 60008), (429, 50776), (484, 45006), (572, 38082), (577, 37752), (726, 30004), (858, 25388), (968, 22503), (1144, 19041), (1154, 18876), (1452, 15002), (1573, 13848), (1716, 12694), (1731, 12584), (2308, 9438), (2904, 7501), (3146, 6924), (3432, 6347), (3462, 6292), (4616, 4719)]