21360878

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{4783}}^1$

素因数の和:4832

約数の個数: 32

約数和(自身を含む): 41333760

約数和(自身を除く): 19972882

約数列:

[1, 2, 7, 11, 14, 22, 29, 58, 77, 154, 203, 319, 406, 638, 2233, 4466, 4783, 9566, 33481, 52613, 66962, 105226, 138707, 277414, 368291, 736582, 970949, 1525777, 1941898, 3051554, 10680439, 21360878]

約数ペア:

[(1, 21360878), (2, 10680439), (7, 3051554), (11, 1941898), (14, 1525777), (22, 970949), (29, 736582), (58, 368291), (77, 277414), (154, 138707), (203, 105226), (319, 66962), (406, 52613), (638, 33481), (2233, 9566), (4466, 4783)]