21791528

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{8539}}^1$

素因数の和:8585

約数の個数: 32

約数和(自身を含む): 46116000

約数和(自身を除く): 24324472

約数列:

[1, 2, 4, 8, 11, 22, 29, 44, 58, 88, 116, 232, 319, 638, 1276, 2552, 8539, 17078, 34156, 68312, 93929, 187858, 247631, 375716, 495262, 751432, 990524, 1981048, 2723941, 5447882, 10895764, 21791528]

約数ペア:

[(1, 21791528), (2, 10895764), (4, 5447882), (8, 2723941), (11, 1981048), (22, 990524), (29, 751432), (44, 495262), (58, 375716), (88, 247631), (116, 187858), (232, 93929), (319, 68312), (638, 34156), (1276, 17078), (2552, 8539)]