21159024

素因数分解:

$2^4\times 3^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1$

素因数の和:254

約数の個数: 80

約数和(自身を含む): 56996352

約数和(自身を除く): 35837328

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 47, 48, 83, 94, 113, 141, 166, 188, 226, 249, 282, 332, 339, 376, 452, 498, 564, 664, 678, 752, 904, 996, 1128, 1328, 1356, 1808, 1992, 2256, 2712, 3901, 3984, 5311, 5424, 7802, 9379, 10622, 11703, 15604, 15933, 18758, 21244, 23406, 28137, 31208, 31866, 37516, 42488, 46812, 56274, 62416, 63732, 75032, 84976, 93624, 112548, 127464, 150064, 187248, 225096, 254928, 440813, 450192, 881626, 1322439, 1763252, 2644878, 3526504, 5289756, 7053008, 10579512, 21159024]

約数ペア:

[(1, 21159024), (2, 10579512), (3, 7053008), (4, 5289756), (6, 3526504), (8, 2644878), (12, 1763252), (16, 1322439), (24, 881626), (47, 450192), (48, 440813), (83, 254928), (94, 225096), (113, 187248), (141, 150064), (166, 127464), (188, 112548), (226, 93624), (249, 84976), (282, 75032), (332, 63732), (339, 62416), (376, 56274), (452, 46812), (498, 42488), (564, 37516), (664, 31866), (678, 31208), (752, 28137), (904, 23406), (996, 21244), (1128, 18758), (1328, 15933), (1356, 15604), (1808, 11703), (1992, 10622), (2256, 9379), (2712, 7802), (3901, 5424), (3984, 5311)]