21686084

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1571}}^1$

素因数の和:1628

約数の個数: 48

約数和(自身を含む): 47537280

約数和(自身を除く): 25851196

約数列:

[1, 2, 4, 7, 14, 17, 28, 29, 34, 58, 68, 116, 119, 203, 238, 406, 476, 493, 812, 986, 1571, 1972, 3142, 3451, 6284, 6902, 10997, 13804, 21994, 26707, 43988, 45559, 53414, 91118, 106828, 182236, 186949, 318913, 373898, 637826, 747796, 774503, 1275652, 1549006, 3098012, 5421521, 10843042, 21686084]

約数ペア:

[(1, 21686084), (2, 10843042), (4, 5421521), (7, 3098012), (14, 1549006), (17, 1275652), (28, 774503), (29, 747796), (34, 637826), (58, 373898), (68, 318913), (116, 186949), (119, 182236), (203, 106828), (238, 91118), (406, 53414), (476, 45559), (493, 43988), (812, 26707), (986, 21994), (1571, 13804), (1972, 10997), (3142, 6902), (3451, 6284)]