21690844

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{45569}}^1$

素因数の和:45597

約数の個数: 24

約数和(自身を含む): 45934560

約数和(自身を除く): 24243716

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 45569, 91138, 182276, 318983, 637966, 774673, 1275932, 1549346, 3098692, 5422711, 10845422, 21690844]

約数ペア:

[(1, 21690844), (2, 10845422), (4, 5422711), (7, 3098692), (14, 1549346), (17, 1275932), (28, 774673), (34, 637966), (68, 318983), (119, 182276), (238, 91138), (476, 45569)]