21954276

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1237}}^1$

素因数の和:1293

約数の個数: 72

約数和(自身を含む): 60835320

約数和(自身を除く): 38881044

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 29, 34, 36, 51, 58, 68, 87, 102, 116, 153, 174, 204, 261, 306, 348, 493, 522, 612, 986, 1044, 1237, 1479, 1972, 2474, 2958, 3711, 4437, 4948, 5916, 7422, 8874, 11133, 14844, 17748, 21029, 22266, 35873, 42058, 44532, 63087, 71746, 84116, 107619, 126174, 143492, 189261, 215238, 252348, 322857, 378522, 430476, 609841, 645714, 757044, 1219682, 1291428, 1829523, 2439364, 3659046, 5488569, 7318092, 10977138, 21954276]

約数ペア:

[(1, 21954276), (2, 10977138), (3, 7318092), (4, 5488569), (6, 3659046), (9, 2439364), (12, 1829523), (17, 1291428), (18, 1219682), (29, 757044), (34, 645714), (36, 609841), (51, 430476), (58, 378522), (68, 322857), (87, 252348), (102, 215238), (116, 189261), (153, 143492), (174, 126174), (204, 107619), (261, 84116), (306, 71746), (348, 63087), (493, 44532), (522, 42058), (612, 35873), (986, 22266), (1044, 21029), (1237, 17748), (1479, 14844), (1972, 11133), (2474, 8874), (2958, 7422), (3711, 5916), (4437, 4948)]