2021194790

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{641}}^1\times {\mathrm{7333}}^1$

素因数の和:8024

約数の個数: 32

約数和(自身を含む): 3729074976

約数和(自身を除く): 1707880186

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 641, 1282, 3205, 6410, 7333, 14666, 27563, 36665, 55126, 73330, 137815, 275630, 315319, 630638, 1576595, 3153190, 4700453, 9400906, 23502265, 47004530, 202119479, 404238958, 1010597395, 2021194790]

約数ペア:

[(1, 2021194790), (2, 1010597395), (5, 404238958), (10, 202119479), (43, 47004530), (86, 23502265), (215, 9400906), (430, 4700453), (641, 3153190), (1282, 1576595), (3205, 630638), (6410, 315319), (7333, 275630), (14666, 137815), (27563, 73330), (36665, 55126)]