21509777796

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{9949}}^1\times {\mathrm{13859}}^1$

素因数の和:23828

約数の個数: 48

約数和(自身を含む): 54059544000

約数和(自身を除く): 32549766204

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 9949, 13859, 19898, 27718, 29847, 39796, 41577, 55436, 59694, 83154, 119388, 129337, 166308, 180167, 258674, 360334, 388011, 517348, 540501, 720668, 776022, 1081002, 1552044, 2162004, 137883191, 275766382, 413649573, 551532764, 827299146, 1654598292, 1792481483, 3584962966, 5377444449, 7169925932, 10754888898, 21509777796]

約数ペア:

[(1, 21509777796), (2, 10754888898), (3, 7169925932), (4, 5377444449), (6, 3584962966), (12, 1792481483), (13, 1654598292), (26, 827299146), (39, 551532764), (52, 413649573), (78, 275766382), (156, 137883191), (9949, 2162004), (13859, 1552044), (19898, 1081002), (27718, 776022), (29847, 720668), (39796, 540501), (41577, 517348), (55436, 388011), (59694, 360334), (83154, 258674), (119388, 180167), (129337, 166308)]