21449968210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1543}}^1\times {\mathrm{2939}}^1$

素因数の和:4543

約数の個数: 64

約数和(自身を含む): 43142077440

約数和(自身を除く): 21692109230

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 430, 473, 946, 1543, 2365, 2939, 3086, 4730, 5878, 7715, 14695, 15430, 16973, 29390, 32329, 33946, 64658, 66349, 84865, 126377, 132698, 161645, 169730, 252754, 323290, 331745, 631885, 663490, 729839, 1263770, 1390147, 1459678, 2780294, 3649195, 4534877, 6950735, 7298390, 9069754, 13901470, 22674385, 45348770, 49883647, 99767294, 194999711, 249418235, 389999422, 498836470, 974998555, 1949997110, 2144996821, 4289993642, 10724984105, 21449968210]

約数ペア:

[(1, 21449968210), (2, 10724984105), (5, 4289993642), (10, 2144996821), (11, 1949997110), (22, 974998555), (43, 498836470), (55, 389999422), (86, 249418235), (110, 194999711), (215, 99767294), (430, 49883647), (473, 45348770), (946, 22674385), (1543, 13901470), (2365, 9069754), (2939, 7298390), (3086, 6950735), (4730, 4534877), (5878, 3649195), (7715, 2780294), (14695, 1459678), (15430, 1390147), (16973, 1263770), (29390, 729839), (32329, 663490), (33946, 631885), (64658, 331745), (66349, 323290), (84865, 252754), (126377, 169730), (132698, 161645)]