21985056

素因数分解:

$2^5\times 3^2\times {\mathrm{23}}^1\times {\mathrm{3319}}^1$

素因数の和:3358

約数の個数: 72

約数和(自身を含む): 65257920

約数和(自身を除く): 43272864

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 32, 36, 46, 48, 69, 72, 92, 96, 138, 144, 184, 207, 276, 288, 368, 414, 552, 736, 828, 1104, 1656, 2208, 3312, 3319, 6624, 6638, 9957, 13276, 19914, 26552, 29871, 39828, 53104, 59742, 76337, 79656, 106208, 119484, 152674, 159312, 229011, 238968, 305348, 318624, 458022, 477936, 610696, 687033, 916044, 955872, 1221392, 1374066, 1832088, 2442784, 2748132, 3664176, 5496264, 7328352, 10992528, 21985056]

約数ペア:

[(1, 21985056), (2, 10992528), (3, 7328352), (4, 5496264), (6, 3664176), (8, 2748132), (9, 2442784), (12, 1832088), (16, 1374066), (18, 1221392), (23, 955872), (24, 916044), (32, 687033), (36, 610696), (46, 477936), (48, 458022), (69, 318624), (72, 305348), (92, 238968), (96, 229011), (138, 159312), (144, 152674), (184, 119484), (207, 106208), (276, 79656), (288, 76337), (368, 59742), (414, 53104), (552, 39828), (736, 29871), (828, 26552), (1104, 19914), (1656, 13276), (2208, 9957), (3312, 6638), (3319, 6624)]