21087869396

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{613}}^1\times {\mathrm{4051}}^1$

素因数の和:4872

約数の個数: 48

約数和(自身を含む): 40543274688

約数和(自身を除く): 19455405292

約数列:

[1, 2, 4, 11, 22, 44, 193, 386, 613, 772, 1226, 2123, 2452, 4051, 4246, 6743, 8102, 8492, 13486, 16204, 26972, 44561, 89122, 118309, 178244, 236618, 473236, 781843, 1301399, 1563686, 2483263, 2602798, 3127372, 4966526, 5205596, 8600273, 9933052, 17200546, 27315893, 34401092, 54631786, 109263572, 479269759, 958539518, 1917079036, 5271967349, 10543934698, 21087869396]

約数ペア:

[(1, 21087869396), (2, 10543934698), (4, 5271967349), (11, 1917079036), (22, 958539518), (44, 479269759), (193, 109263572), (386, 54631786), (613, 34401092), (772, 27315893), (1226, 17200546), (2123, 9933052), (2452, 8600273), (4051, 5205596), (4246, 4966526), (6743, 3127372), (8102, 2602798), (8492, 2483263), (13486, 1563686), (16204, 1301399), (26972, 781843), (44561, 473236), (89122, 236618), (118309, 178244)]