21757320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4649}}^1$

素因数の和:4679

約数の個数: 96

約数和(自身を含む): 76167000

約数和(自身を除く): 54409680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4649, 4680, 9298, 13947, 18596, 23245, 27894, 37192, 41841, 46490, 55788, 60437, 69735, 83682, 92980, 111576, 120874, 139470, 167364, 181311, 185960, 209205, 241748, 278940, 302185, 334728, 362622, 418410, 483496, 543933, 557880, 604370, 725244, 836820, 906555, 1087866, 1208740, 1450488, 1673640, 1813110, 2175732, 2417480, 2719665, 3626220, 4351464, 5439330, 7252440, 10878660, 21757320]

約数ペア:

[(1, 21757320), (2, 10878660), (3, 7252440), (4, 5439330), (5, 4351464), (6, 3626220), (8, 2719665), (9, 2417480), (10, 2175732), (12, 1813110), (13, 1673640), (15, 1450488), (18, 1208740), (20, 1087866), (24, 906555), (26, 836820), (30, 725244), (36, 604370), (39, 557880), (40, 543933), (45, 483496), (52, 418410), (60, 362622), (65, 334728), (72, 302185), (78, 278940), (90, 241748), (104, 209205), (117, 185960), (120, 181311), (130, 167364), (156, 139470), (180, 120874), (195, 111576), (234, 92980), (260, 83682), (312, 69735), (360, 60437), (390, 55788), (468, 46490), (520, 41841), (585, 37192), (780, 27894), (936, 23245), (1170, 18596), (1560, 13947), (2340, 9298), (4649, 4680)]