21360196

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{349}}^1$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 44452800

約数和(自身を除く): 23092604

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 107, 143, 214, 286, 349, 428, 572, 698, 1177, 1391, 1396, 2354, 2782, 3839, 4537, 4708, 5564, 7678, 9074, 15301, 15356, 18148, 30602, 37343, 49907, 61204, 74686, 99814, 149372, 199628, 410773, 485459, 821546, 970918, 1643092, 1941836, 5340049, 10680098, 21360196]

約数ペア:

[(1, 21360196), (2, 10680098), (4, 5340049), (11, 1941836), (13, 1643092), (22, 970918), (26, 821546), (44, 485459), (52, 410773), (107, 199628), (143, 149372), (214, 99814), (286, 74686), (349, 61204), (428, 49907), (572, 37343), (698, 30602), (1177, 18148), (1391, 15356), (1396, 15301), (2354, 9074), (2782, 7678), (3839, 5564), (4537, 4708)]