21493374

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{13831}}^1$

素因数の和:13880

約数の個数: 32

約数和(自身を含む): 50459136

約数和(自身を除く): 28965762

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 222, 259, 518, 777, 1554, 13831, 27662, 41493, 82986, 96817, 193634, 290451, 511747, 580902, 1023494, 1535241, 3070482, 3582229, 7164458, 10746687, 21493374]

約数ペア:

[(1, 21493374), (2, 10746687), (3, 7164458), (6, 3582229), (7, 3070482), (14, 1535241), (21, 1023494), (37, 580902), (42, 511747), (74, 290451), (111, 193634), (222, 96817), (259, 82986), (518, 41493), (777, 27662), (1554, 13831)]