21775516

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{25087}}^1$

素因数の和:25129

約数の個数: 24

約数和(自身を含む): 44957696

約数和(自身を除く): 23182180

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 25087, 50174, 100348, 175609, 351218, 702436, 777697, 1555394, 3110788, 5443879, 10887758, 21775516]

約数ペア:

[(1, 21775516), (2, 10887758), (4, 5443879), (7, 3110788), (14, 1555394), (28, 777697), (31, 702436), (62, 351218), (124, 175609), (217, 100348), (434, 50174), (868, 25087)]