21897784

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{2551}}^1$

素因数の和:2623

約数の個数: 32

約数和(自身を含む): 43639200

約数和(自身を除く): 21741416

約数列:

[1, 2, 4, 8, 29, 37, 58, 74, 116, 148, 232, 296, 1073, 2146, 2551, 4292, 5102, 8584, 10204, 20408, 73979, 94387, 147958, 188774, 295916, 377548, 591832, 755096, 2737223, 5474446, 10948892, 21897784]

約数ペア:

[(1, 21897784), (2, 10948892), (4, 5474446), (8, 2737223), (29, 755096), (37, 591832), (58, 377548), (74, 295916), (116, 188774), (148, 147958), (232, 94387), (296, 73979), (1073, 20408), (2146, 10204), (2551, 8584), (4292, 5102)]