21183974

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{367}}^1$

素因数の和:433

約数の個数: 48

約数和(自身を含む): 40273920

約数和(自身を除く): 19089946

約数列:

[1, 2, 7, 14, 19, 31, 38, 49, 62, 98, 133, 217, 266, 367, 434, 589, 734, 931, 1178, 1519, 1862, 2569, 3038, 4123, 5138, 6973, 8246, 11377, 13946, 17983, 22754, 28861, 35966, 48811, 57722, 79639, 97622, 159278, 216163, 341677, 432326, 557473, 683354, 1114946, 1513141, 3026282, 10591987, 21183974]

約数ペア:

[(1, 21183974), (2, 10591987), (7, 3026282), (14, 1513141), (19, 1114946), (31, 683354), (38, 557473), (49, 432326), (62, 341677), (98, 216163), (133, 159278), (217, 97622), (266, 79639), (367, 57722), (434, 48811), (589, 35966), (734, 28861), (931, 22754), (1178, 17983), (1519, 13946), (1862, 11377), (2569, 8246), (3038, 6973), (4123, 5138)]