21713912

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{1087}}^1$

素因数の和:1331

約数の個数: 32

約数和(自身を含む): 44651520

約数和(自身を除く): 22937608

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 227, 454, 908, 1087, 1816, 2174, 2497, 4348, 4994, 8696, 9988, 11957, 19976, 23914, 47828, 95656, 246749, 493498, 986996, 1973992, 2714239, 5428478, 10856956, 21713912]

約数ペア:

[(1, 21713912), (2, 10856956), (4, 5428478), (8, 2714239), (11, 1973992), (22, 986996), (44, 493498), (88, 246749), (227, 95656), (454, 47828), (908, 23914), (1087, 19976), (1816, 11957), (2174, 9988), (2497, 8696), (4348, 4994)]