21768306

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{523}}^1\times {\mathrm{991}}^1$

素因数の和:1526

約数の個数: 32

約数和(自身を含む): 49901568

約数和(自身を除く): 28133262

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 523, 991, 1046, 1569, 1982, 2973, 3138, 3661, 5946, 6937, 7322, 10983, 13874, 20811, 21966, 41622, 518293, 1036586, 1554879, 3109758, 3628051, 7256102, 10884153, 21768306]

約数ペア:

[(1, 21768306), (2, 10884153), (3, 7256102), (6, 3628051), (7, 3109758), (14, 1554879), (21, 1036586), (42, 518293), (523, 41622), (991, 21966), (1046, 20811), (1569, 13874), (1982, 10983), (2973, 7322), (3138, 6937), (3661, 5946)]