21487728

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^2\times {\mathrm{1549}}^1$

素因数の和:1594

約数の個数: 60

約数和(自身を含む): 59005400

約数和(自身を除く): 37517672

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 289, 408, 578, 816, 867, 1156, 1549, 1734, 2312, 3098, 3468, 4624, 4647, 6196, 6936, 9294, 12392, 13872, 18588, 24784, 26333, 37176, 52666, 74352, 78999, 105332, 157998, 210664, 315996, 421328, 447661, 631992, 895322, 1263984, 1342983, 1790644, 2685966, 3581288, 5371932, 7162576, 10743864, 21487728]

約数ペア:

[(1, 21487728), (2, 10743864), (3, 7162576), (4, 5371932), (6, 3581288), (8, 2685966), (12, 1790644), (16, 1342983), (17, 1263984), (24, 895322), (34, 631992), (48, 447661), (51, 421328), (68, 315996), (102, 210664), (136, 157998), (204, 105332), (272, 78999), (289, 74352), (408, 52666), (578, 37176), (816, 26333), (867, 24784), (1156, 18588), (1549, 13872), (1734, 12392), (2312, 9294), (3098, 6936), (3468, 6196), (4624, 4647)]