21810272

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{61961}}^1$

素因数の和:61982

約数の個数: 24

約数和(自身を含む): 46843272

約数和(自身を除く): 25033000

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 352, 61961, 123922, 247844, 495688, 681571, 991376, 1363142, 1982752, 2726284, 5452568, 10905136, 21810272]

約数ペア:

[(1, 21810272), (2, 10905136), (4, 5452568), (8, 2726284), (11, 1982752), (16, 1363142), (22, 991376), (32, 681571), (44, 495688), (88, 247844), (176, 123922), (352, 61961)]