21220816176

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{288389}}^1$

素因数の和:288483

約数の個数: 120

約数和(自身を含む): 68802932640

約数和(自身を除く): 47582116464

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 73, 84, 112, 126, 144, 146, 168, 219, 252, 292, 336, 438, 504, 511, 584, 657, 876, 1008, 1022, 1168, 1314, 1533, 1752, 2044, 2628, 3066, 3504, 4088, 4599, 5256, 6132, 8176, 9198, 10512, 12264, 18396, 24528, 36792, 73584, 288389, 576778, 865167, 1153556, 1730334, 2018723, 2307112, 2595501, 3460668, 4037446, 4614224, 5191002, 6056169, 6921336, 8074892, 10382004, 12112338, 13842672, 16149784, 18168507, 20764008, 21052397, 24224676, 32299568, 36337014, 41528016, 42104794, 48449352, 63157191, 72674028, 84209588, 96898704, 126314382, 145348056, 147366779, 168419176, 189471573, 252628764, 290696112, 294733558, 336838352, 378943146, 442100337, 505257528, 589467116, 757886292, 884200674, 1010515056, 1178934232, 1326301011, 1515772584, 1768401348, 2357868464, 2652602022, 3031545168, 3536802696, 5305204044, 7073605392, 10610408088, 21220816176]

約数ペア:

[(1, 21220816176), (2, 10610408088), (3, 7073605392), (4, 5305204044), (6, 3536802696), (7, 3031545168), (8, 2652602022), (9, 2357868464), (12, 1768401348), (14, 1515772584), (16, 1326301011), (18, 1178934232), (21, 1010515056), (24, 884200674), (28, 757886292), (36, 589467116), (42, 505257528), (48, 442100337), (56, 378943146), (63, 336838352), (72, 294733558), (73, 290696112), (84, 252628764), (112, 189471573), (126, 168419176), (144, 147366779), (146, 145348056), (168, 126314382), (219, 96898704), (252, 84209588), (292, 72674028), (336, 63157191), (438, 48449352), (504, 42104794), (511, 41528016), (584, 36337014), (657, 32299568), (876, 24224676), (1008, 21052397), (1022, 20764008), (1168, 18168507), (1314, 16149784), (1533, 13842672), (1752, 12112338), (2044, 10382004), (2628, 8074892), (3066, 6921336), (3504, 6056169), (4088, 5191002), (4599, 4614224), (5256, 4037446), (6132, 3460668), (8176, 2595501), (9198, 2307112), (10512, 2018723), (12264, 1730334), (18396, 1153556), (24528, 865167), (36792, 576778), (73584, 288389)]