21460012

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{709}}^1$

素因数の和:790

約数の個数: 48

約数和(自身を含む): 45803520

約数和(自身を除く): 24343508

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 47, 92, 94, 161, 188, 322, 329, 644, 658, 709, 1081, 1316, 1418, 2162, 2836, 4324, 4963, 7567, 9926, 15134, 16307, 19852, 30268, 32614, 33323, 65228, 66646, 114149, 133292, 228298, 233261, 456596, 466522, 766429, 933044, 1532858, 3065716, 5365003, 10730006, 21460012]

約数ペア:

[(1, 21460012), (2, 10730006), (4, 5365003), (7, 3065716), (14, 1532858), (23, 933044), (28, 766429), (46, 466522), (47, 456596), (92, 233261), (94, 228298), (161, 133292), (188, 114149), (322, 66646), (329, 65228), (644, 33323), (658, 32614), (709, 30268), (1081, 19852), (1316, 16307), (1418, 15134), (2162, 9926), (2836, 7567), (4324, 4963)]