2021031950

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{824911}}^1$

素因数の和:824937

約数の個数: 36

約数和(自身を含む): 4372858512

約数和(自身を除く): 2351826562

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 175, 245, 350, 490, 1225, 2450, 824911, 1649822, 4124555, 5774377, 8249110, 11548754, 20622775, 28871885, 40420639, 41245550, 57743770, 80841278, 144359425, 202103195, 288718850, 404206390, 1010515975, 2021031950]

約数ペア:

[(1, 2021031950), (2, 1010515975), (5, 404206390), (7, 288718850), (10, 202103195), (14, 144359425), (25, 80841278), (35, 57743770), (49, 41245550), (50, 40420639), (70, 28871885), (98, 20622775), (175, 11548754), (245, 8249110), (350, 5774377), (490, 4124555), (1225, 1649822), (2450, 824911)]