21100000008

素因数分解:

$2^3\times 3^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1\times {\mathrm{42859}}^1$

素因数の和:43222

約数の個数: 64

約数和(自身を含む): 53664148800

約数和(自身を除く): 32564148792

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 73, 146, 219, 281, 292, 438, 562, 584, 843, 876, 1124, 1686, 1752, 2248, 3372, 6744, 20513, 41026, 42859, 61539, 82052, 85718, 123078, 128577, 164104, 171436, 246156, 257154, 342872, 492312, 514308, 1028616, 3128707, 6257414, 9386121, 12043379, 12514828, 18772242, 24086758, 25029656, 36130137, 37544484, 48173516, 72260274, 75088968, 96347032, 144520548, 289041096, 879166667, 1758333334, 2637500001, 3516666668, 5275000002, 7033333336, 10550000004, 21100000008]

約数ペア:

[(1, 21100000008), (2, 10550000004), (3, 7033333336), (4, 5275000002), (6, 3516666668), (8, 2637500001), (12, 1758333334), (24, 879166667), (73, 289041096), (146, 144520548), (219, 96347032), (281, 75088968), (292, 72260274), (438, 48173516), (562, 37544484), (584, 36130137), (843, 25029656), (876, 24086758), (1124, 18772242), (1686, 12514828), (1752, 12043379), (2248, 9386121), (3372, 6257414), (6744, 3128707), (20513, 1028616), (41026, 514308), (42859, 492312), (61539, 342872), (82052, 257154), (85718, 246156), (123078, 171436), (128577, 164104)]