21563707396

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1\times {\mathrm{3539}}^1$

素因数の和:3905

約数の個数: 96

約数和(自身を含む): 47882096640

約数和(自身を除く): 26318389244

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 73, 77, 146, 154, 271, 292, 308, 511, 542, 803, 1022, 1084, 1606, 1897, 2044, 2981, 3212, 3539, 3794, 5621, 5962, 7078, 7588, 11242, 11924, 14156, 19783, 20867, 22484, 24773, 38929, 39566, 41734, 49546, 77858, 79132, 83468, 99092, 138481, 155716, 217613, 258347, 272503, 276962, 435226, 516694, 545006, 553924, 870452, 959069, 1033388, 1090012, 1523291, 1808429, 1918138, 2841817, 3046582, 3616858, 3836276, 5683634, 6093164, 6713483, 7233716, 10549759, 11367268, 13426966, 19892719, 21099518, 26853932, 39785438, 42199036, 70012037, 73848313, 79570876, 140024074, 147696626, 280048148, 295393252, 490084259, 770132407, 980168518, 1540264814, 1960337036, 3080529628, 5390926849, 10781853698, 21563707396]

約数ペア:

[(1, 21563707396), (2, 10781853698), (4, 5390926849), (7, 3080529628), (11, 1960337036), (14, 1540264814), (22, 980168518), (28, 770132407), (44, 490084259), (73, 295393252), (77, 280048148), (146, 147696626), (154, 140024074), (271, 79570876), (292, 73848313), (308, 70012037), (511, 42199036), (542, 39785438), (803, 26853932), (1022, 21099518), (1084, 19892719), (1606, 13426966), (1897, 11367268), (2044, 10549759), (2981, 7233716), (3212, 6713483), (3539, 6093164), (3794, 5683634), (5621, 3836276), (5962, 3616858), (7078, 3046582), (7588, 2841817), (11242, 1918138), (11924, 1808429), (14156, 1523291), (19783, 1090012), (20867, 1033388), (22484, 959069), (24773, 870452), (38929, 553924), (39566, 545006), (41734, 516694), (49546, 435226), (77858, 276962), (79132, 272503), (83468, 258347), (99092, 217613), (138481, 155716)]