21465121730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2803}}^1\times {\mathrm{58907}}^1$

素因数の和:61730

約数の個数: 32

約数和(自身を含む): 41624864064

約数和(自身を除く): 20159742334

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 2803, 5606, 14015, 28030, 36439, 58907, 72878, 117814, 182195, 294535, 364390, 589070, 765791, 1531582, 3828955, 7657910, 165116321, 330232642, 825581605, 1651163210, 2146512173, 4293024346, 10732560865, 21465121730]

約数ペア:

[(1, 21465121730), (2, 10732560865), (5, 4293024346), (10, 2146512173), (13, 1651163210), (26, 825581605), (65, 330232642), (130, 165116321), (2803, 7657910), (5606, 3828955), (14015, 1531582), (28030, 765791), (36439, 589070), (58907, 364390), (72878, 294535), (117814, 182195)]