21215976

素因数分解:

$2^3\times 3^1\times {\mathrm{113}}^1\times {\mathrm{7823}}^1$

素因数の和:7945

約数の個数: 32

約数和(自身を含む): 53516160

約数和(自身を除く): 32300184

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 113, 226, 339, 452, 678, 904, 1356, 2712, 7823, 15646, 23469, 31292, 46938, 62584, 93876, 187752, 883999, 1767998, 2651997, 3535996, 5303994, 7071992, 10607988, 21215976]

約数ペア:

[(1, 21215976), (2, 10607988), (3, 7071992), (4, 5303994), (6, 3535996), (8, 2651997), (12, 1767998), (24, 883999), (113, 187752), (226, 93876), (339, 62584), (452, 46938), (678, 31292), (904, 23469), (1356, 15646), (2712, 7823)]