21379488

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{463}}^1$

素因数の和:526

約数の個数: 96

約数和(自身を含む): 62205696

約数和(自身を除く): 40826208

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 37, 39, 48, 52, 74, 78, 96, 104, 111, 148, 156, 208, 222, 296, 312, 416, 444, 463, 481, 592, 624, 888, 926, 962, 1184, 1248, 1389, 1443, 1776, 1852, 1924, 2778, 2886, 3552, 3704, 3848, 5556, 5772, 6019, 7408, 7696, 11112, 11544, 12038, 14816, 15392, 17131, 18057, 22224, 23088, 24076, 34262, 36114, 44448, 46176, 48152, 51393, 68524, 72228, 96304, 102786, 137048, 144456, 192608, 205572, 222703, 274096, 288912, 411144, 445406, 548192, 577824, 668109, 822288, 890812, 1336218, 1644576, 1781624, 2672436, 3563248, 5344872, 7126496, 10689744, 21379488]

約数ペア:

[(1, 21379488), (2, 10689744), (3, 7126496), (4, 5344872), (6, 3563248), (8, 2672436), (12, 1781624), (13, 1644576), (16, 1336218), (24, 890812), (26, 822288), (32, 668109), (37, 577824), (39, 548192), (48, 445406), (52, 411144), (74, 288912), (78, 274096), (96, 222703), (104, 205572), (111, 192608), (148, 144456), (156, 137048), (208, 102786), (222, 96304), (296, 72228), (312, 68524), (416, 51393), (444, 48152), (463, 46176), (481, 44448), (592, 36114), (624, 34262), (888, 24076), (926, 23088), (962, 22224), (1184, 18057), (1248, 17131), (1389, 15392), (1443, 14816), (1776, 12038), (1852, 11544), (1924, 11112), (2778, 7696), (2886, 7408), (3552, 6019), (3704, 5772), (3848, 5556)]