21768292

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{757}}^1$

素因数の和:860

約数の個数: 48

約数和(自身を含む): 47541760

約数和(自身を除く): 25773468

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 79, 91, 158, 182, 316, 364, 553, 757, 1027, 1106, 1514, 2054, 2212, 3028, 4108, 5299, 7189, 9841, 10598, 14378, 19682, 21196, 28756, 39364, 59803, 68887, 119606, 137774, 239212, 275548, 418621, 777439, 837242, 1554878, 1674484, 3109756, 5442073, 10884146, 21768292]

約数ペア:

[(1, 21768292), (2, 10884146), (4, 5442073), (7, 3109756), (13, 1674484), (14, 1554878), (26, 837242), (28, 777439), (52, 418621), (79, 275548), (91, 239212), (158, 137774), (182, 119606), (316, 68887), (364, 59803), (553, 39364), (757, 28756), (1027, 21196), (1106, 19682), (1514, 14378), (2054, 10598), (2212, 9841), (3028, 7189), (4108, 5299)]