2021103340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{953}}^1\times {\mathrm{5581}}^1$

素因数の和:6562

約数の個数: 48

約数和(自身を含む): 4473191520

約数和(自身を除く): 2452088180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 953, 1906, 3812, 4765, 5581, 9530, 11162, 18107, 19060, 22324, 27905, 36214, 55810, 72428, 90535, 106039, 111620, 181070, 212078, 362140, 424156, 530195, 1060390, 2120780, 5318693, 10637386, 21274772, 26593465, 53186930, 101055167, 106373860, 202110334, 404220668, 505275835, 1010551670, 2021103340]

約数ペア:

[(1, 2021103340), (2, 1010551670), (4, 505275835), (5, 404220668), (10, 202110334), (19, 106373860), (20, 101055167), (38, 53186930), (76, 26593465), (95, 21274772), (190, 10637386), (380, 5318693), (953, 2120780), (1906, 1060390), (3812, 530195), (4765, 424156), (5581, 362140), (9530, 212078), (11162, 181070), (18107, 111620), (19060, 106039), (22324, 90535), (27905, 72428), (36214, 55810)]