21833014

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{389}}^1$

素因数の和:628

約数の個数: 32

約数和(自身を含む): 39686400

約数和(自身を除く): 17853386

約数列:

[1, 2, 7, 14, 19, 38, 133, 211, 266, 389, 422, 778, 1477, 2723, 2954, 4009, 5446, 7391, 8018, 14782, 28063, 51737, 56126, 82079, 103474, 164158, 574553, 1149106, 1559501, 3119002, 10916507, 21833014]

約数ペア:

[(1, 21833014), (2, 10916507), (7, 3119002), (14, 1559501), (19, 1149106), (38, 574553), (133, 164158), (211, 103474), (266, 82079), (389, 56126), (422, 51737), (778, 28063), (1477, 14782), (2723, 8018), (2954, 7391), (4009, 5446)]