21295648

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{599}}^1$

素因数の和:721

約数の個数: 48

約数和(自身を含む): 46267200

約数和(自身を除く): 24971552

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 101, 176, 202, 352, 404, 599, 808, 1111, 1198, 1616, 2222, 2396, 3232, 4444, 4792, 6589, 8888, 9584, 13178, 17776, 19168, 26356, 35552, 52712, 60499, 105424, 120998, 210848, 241996, 483992, 665489, 967984, 1330978, 1935968, 2661956, 5323912, 10647824, 21295648]

約数ペア:

[(1, 21295648), (2, 10647824), (4, 5323912), (8, 2661956), (11, 1935968), (16, 1330978), (22, 967984), (32, 665489), (44, 483992), (88, 241996), (101, 210848), (176, 120998), (202, 105424), (352, 60499), (404, 52712), (599, 35552), (808, 26356), (1111, 19168), (1198, 17776), (1616, 13178), (2222, 9584), (2396, 8888), (3232, 6589), (4444, 4792)]