42021336

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{643}}^1$

素因数の和:1048

約数の個数: 64

約数和(自身を含む): 120556800

約数和(自身を除く): 78535464

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 389, 643, 778, 1167, 1286, 1556, 1929, 2334, 2572, 2723, 3112, 3858, 4501, 4668, 5144, 5446, 7716, 8169, 9002, 9336, 10892, 13503, 15432, 16338, 18004, 21784, 27006, 32676, 36008, 54012, 65352, 108024, 250127, 500254, 750381, 1000508, 1500762, 1750889, 2001016, 3001524, 3501778, 5252667, 6003048, 7003556, 10505334, 14007112, 21010668, 42021336]

約数ペア:

[(1, 42021336), (2, 21010668), (3, 14007112), (4, 10505334), (6, 7003556), (7, 6003048), (8, 5252667), (12, 3501778), (14, 3001524), (21, 2001016), (24, 1750889), (28, 1500762), (42, 1000508), (56, 750381), (84, 500254), (168, 250127), (389, 108024), (643, 65352), (778, 54012), (1167, 36008), (1286, 32676), (1556, 27006), (1929, 21784), (2334, 18004), (2572, 16338), (2723, 15432), (3112, 13503), (3858, 10892), (4501, 9336), (4668, 9002), (5144, 8169), (5446, 7716)]