21287928

素因数分解:

$2^3\times 3^1\times {\mathrm{149}}^1\times {\mathrm{5953}}^1$

素因数の和:6111

約数の個数: 32

約数和(自身を含む): 53586000

約数和(自身を除く): 32298072

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 149, 298, 447, 596, 894, 1192, 1788, 3576, 5953, 11906, 17859, 23812, 35718, 47624, 71436, 142872, 886997, 1773994, 2660991, 3547988, 5321982, 7095976, 10643964, 21287928]

約数ペア:

[(1, 21287928), (2, 10643964), (3, 7095976), (4, 5321982), (6, 3547988), (8, 2660991), (12, 1773994), (24, 886997), (149, 142872), (298, 71436), (447, 47624), (596, 35718), (894, 23812), (1192, 17859), (1788, 11906), (3576, 5953)]