15420426

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{643}}^1$

素因数の和:1226

約数の個数: 32

約数和(自身を含む): 35363328

約数和(自身を除く): 19942902

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 571, 643, 1142, 1286, 1713, 1929, 3426, 3858, 3997, 4501, 7994, 9002, 11991, 13503, 23982, 27006, 367153, 734306, 1101459, 2202918, 2570071, 5140142, 7710213, 15420426]

約数ペア:

[(1, 15420426), (2, 7710213), (3, 5140142), (6, 2570071), (7, 2202918), (14, 1101459), (21, 734306), (42, 367153), (571, 27006), (643, 23982), (1142, 13503), (1286, 11991), (1713, 9002), (1929, 7994), (3426, 4501), (3858, 3997)]