21307770

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21523}}^1$

素因数の和:21547

約数の個数: 48

約数和(自身を含む): 60439392

約数和(自身を除く): 39131622

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 21523, 43046, 64569, 107615, 129138, 193707, 215230, 236753, 322845, 387414, 473506, 645690, 710259, 968535, 1183765, 1420518, 1937070, 2130777, 2367530, 3551295, 4261554, 7102590, 10653885, 21307770]

約数ペア:

[(1, 21307770), (2, 10653885), (3, 7102590), (5, 4261554), (6, 3551295), (9, 2367530), (10, 2130777), (11, 1937070), (15, 1420518), (18, 1183765), (22, 968535), (30, 710259), (33, 645690), (45, 473506), (55, 387414), (66, 322845), (90, 236753), (99, 215230), (110, 193707), (165, 129138), (198, 107615), (330, 64569), (495, 43046), (990, 21523)]