21743670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{439}}^1$

素因数の和:589

約数の個数: 64

約数和(自身を含む): 56770560

約数和(自身を除く): 35026890

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 127, 130, 195, 254, 381, 390, 439, 635, 762, 878, 1270, 1317, 1651, 1905, 2195, 2634, 3302, 3810, 4390, 4953, 5707, 6585, 8255, 9906, 11414, 13170, 16510, 17121, 24765, 28535, 34242, 49530, 55753, 57070, 85605, 111506, 167259, 171210, 278765, 334518, 557530, 724789, 836295, 1449578, 1672590, 2174367, 3623945, 4348734, 7247890, 10871835, 21743670]

約数ペア:

[(1, 21743670), (2, 10871835), (3, 7247890), (5, 4348734), (6, 3623945), (10, 2174367), (13, 1672590), (15, 1449578), (26, 836295), (30, 724789), (39, 557530), (65, 334518), (78, 278765), (127, 171210), (130, 167259), (195, 111506), (254, 85605), (381, 57070), (390, 55753), (439, 49530), (635, 34242), (762, 28535), (878, 24765), (1270, 17121), (1317, 16510), (1651, 13170), (1905, 11414), (2195, 9906), (2634, 8255), (3302, 6585), (3810, 5707), (4390, 4953)]