21000369676

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{577}}^1\times {\mathrm{63629}}^1$

素因数の和:64234

約数の個数: 48

約数和(自身を含む): 43251092640

約数和(自身を除く): 22250722964

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 577, 1154, 2308, 6347, 7501, 12694, 15002, 25388, 30004, 63629, 82511, 127258, 165022, 254516, 330044, 699919, 827177, 1399838, 1654354, 2799676, 3308708, 9098947, 18197894, 36395788, 36713933, 73427866, 146855732, 403853263, 477281129, 807706526, 954562258, 1615413052, 1909124516, 5250092419, 10500184838, 21000369676]

約数ペア:

[(1, 21000369676), (2, 10500184838), (4, 5250092419), (11, 1909124516), (13, 1615413052), (22, 954562258), (26, 807706526), (44, 477281129), (52, 403853263), (143, 146855732), (286, 73427866), (572, 36713933), (577, 36395788), (1154, 18197894), (2308, 9098947), (6347, 3308708), (7501, 2799676), (12694, 1654354), (15002, 1399838), (25388, 827177), (30004, 699919), (63629, 330044), (82511, 254516), (127258, 165022)]