21026082

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{641}}^1$

素因数の和:735

約数の個数: 64

約数和(自身を含む): 53250048

約数和(自身を除く): 32223966

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 71, 77, 142, 154, 213, 231, 426, 462, 497, 641, 781, 994, 1282, 1491, 1562, 1923, 2343, 2982, 3846, 4487, 4686, 5467, 7051, 8974, 10934, 13461, 14102, 16401, 21153, 26922, 32802, 42306, 45511, 49357, 91022, 98714, 136533, 148071, 273066, 296142, 318577, 500621, 637154, 955731, 1001242, 1501863, 1911462, 3003726, 3504347, 7008694, 10513041, 21026082]

約数ペア:

[(1, 21026082), (2, 10513041), (3, 7008694), (6, 3504347), (7, 3003726), (11, 1911462), (14, 1501863), (21, 1001242), (22, 955731), (33, 637154), (42, 500621), (66, 318577), (71, 296142), (77, 273066), (142, 148071), (154, 136533), (213, 98714), (231, 91022), (426, 49357), (462, 45511), (497, 42306), (641, 32802), (781, 26922), (994, 21153), (1282, 16401), (1491, 14102), (1562, 13461), (1923, 10934), (2343, 8974), (2982, 7051), (3846, 5467), (4487, 4686)]