21915872

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2707}}^1$

素因数の和:2751

約数の個数: 48

約数和(自身を含む): 49133952

約数和(自身を除く): 27218080

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 32, 44, 46, 88, 92, 176, 184, 253, 352, 368, 506, 736, 1012, 2024, 2707, 4048, 5414, 8096, 10828, 21656, 29777, 43312, 59554, 62261, 86624, 119108, 124522, 238216, 249044, 476432, 498088, 684871, 952864, 996176, 1369742, 1992352, 2739484, 5478968, 10957936, 21915872]

約数ペア:

[(1, 21915872), (2, 10957936), (4, 5478968), (8, 2739484), (11, 1992352), (16, 1369742), (22, 996176), (23, 952864), (32, 684871), (44, 498088), (46, 476432), (88, 249044), (92, 238216), (176, 124522), (184, 119108), (253, 86624), (352, 62261), (368, 59554), (506, 43312), (736, 29777), (1012, 21656), (2024, 10828), (2707, 8096), (4048, 5414)]