2021096750

素因数分解:

$2^1\times 5^3\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{821}}^1$

素因数の和:1110

約数の個数: 64

約数和(自身を含む): 3893123520

約数和(自身を除く): 1872026770

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 125, 215, 229, 250, 430, 458, 821, 1075, 1145, 1642, 2150, 2290, 4105, 5375, 5725, 8210, 9847, 10750, 11450, 19694, 20525, 28625, 35303, 41050, 49235, 57250, 70606, 98470, 102625, 176515, 188009, 205250, 246175, 353030, 376018, 492350, 882575, 940045, 1230875, 1765150, 1880090, 2461750, 4412875, 4700225, 8084387, 8825750, 9400450, 16168774, 23501125, 40421935, 47002250, 80843870, 202109675, 404219350, 1010548375, 2021096750]

約数ペア:

[(1, 2021096750), (2, 1010548375), (5, 404219350), (10, 202109675), (25, 80843870), (43, 47002250), (50, 40421935), (86, 23501125), (125, 16168774), (215, 9400450), (229, 8825750), (250, 8084387), (430, 4700225), (458, 4412875), (821, 2461750), (1075, 1880090), (1145, 1765150), (1642, 1230875), (2150, 940045), (2290, 882575), (4105, 492350), (5375, 376018), (5725, 353030), (8210, 246175), (9847, 205250), (10750, 188009), (11450, 176515), (19694, 102625), (20525, 98470), (28625, 70606), (35303, 57250), (41050, 49235)]