21461055364

素因数分解:

$2^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{761}}^1\times {\mathrm{3919}}^1$

素因数の和:4948

約数の個数: 48

約数和(自身を含む): 43156753920

約数和(自身を除く): 21695698556

約数列:

[1, 2, 4, 7, 14, 28, 257, 514, 761, 1028, 1522, 1799, 3044, 3598, 3919, 5327, 7196, 7838, 10654, 15676, 21308, 27433, 54866, 109732, 195577, 391154, 782308, 1007183, 1369039, 2014366, 2738078, 2982359, 4028732, 5476156, 5964718, 7050281, 11929436, 14100562, 20876513, 28201124, 41753026, 83506052, 766466263, 1532932526, 3065865052, 5365263841, 10730527682, 21461055364]

約数ペア:

[(1, 21461055364), (2, 10730527682), (4, 5365263841), (7, 3065865052), (14, 1532932526), (28, 766466263), (257, 83506052), (514, 41753026), (761, 28201124), (1028, 20876513), (1522, 14100562), (1799, 11929436), (3044, 7050281), (3598, 5964718), (3919, 5476156), (5327, 4028732), (7196, 2982359), (7838, 2738078), (10654, 2014366), (15676, 1369039), (21308, 1007183), (27433, 782308), (54866, 391154), (109732, 195577)]