21965286

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{6301}}^1$

素因数の和:6396

約数の個数: 32

約数和(自身を含む): 50819328

約数和(自身を除く): 28854042

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 83, 166, 249, 498, 581, 1162, 1743, 3486, 6301, 12602, 18903, 37806, 44107, 88214, 132321, 264642, 522983, 1045966, 1568949, 3137898, 3660881, 7321762, 10982643, 21965286]

約数ペア:

[(1, 21965286), (2, 10982643), (3, 7321762), (6, 3660881), (7, 3137898), (14, 1568949), (21, 1045966), (42, 522983), (83, 264642), (166, 132321), (249, 88214), (498, 44107), (581, 37806), (1162, 18903), (1743, 12602), (3486, 6301)]