21936516

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{37307}}^1$

素因数の和:37328

約数の個数: 36

約数和(自身を含む): 59543568

約数和(自身を除く): 37607052

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 37307, 74614, 111921, 149228, 223842, 261149, 447684, 522298, 783447, 1044596, 1566894, 1828043, 3133788, 3656086, 5484129, 7312172, 10968258, 21936516]

約数ペア:

[(1, 21936516), (2, 10968258), (3, 7312172), (4, 5484129), (6, 3656086), (7, 3133788), (12, 1828043), (14, 1566894), (21, 1044596), (28, 783447), (42, 522298), (49, 447684), (84, 261149), (98, 223842), (147, 149228), (196, 111921), (294, 74614), (588, 37307)]