21506004

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{45953}}^1$

素因数の和:45976

約数の個数: 36

約数和(自身を含む): 58545396

約数和(自身を除く): 37039392

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 45953, 91906, 137859, 183812, 275718, 413577, 551436, 597389, 827154, 1194778, 1654308, 1792167, 2389556, 3584334, 5376501, 7168668, 10753002, 21506004]

約数ペア:

[(1, 21506004), (2, 10753002), (3, 7168668), (4, 5376501), (6, 3584334), (9, 2389556), (12, 1792167), (13, 1654308), (18, 1194778), (26, 827154), (36, 597389), (39, 551436), (52, 413577), (78, 275718), (117, 183812), (156, 137859), (234, 91906), (468, 45953)]