21524706

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1229}}^1$

素因数の和:1383

約数の個数: 48

約数和(自身を含む): 53726400

約数和(自身を除く): 32201694

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 139, 278, 417, 834, 973, 1229, 1251, 1946, 2458, 2502, 2919, 3687, 5838, 7374, 8603, 8757, 11061, 17206, 17514, 22122, 25809, 51618, 77427, 154854, 170831, 341662, 512493, 1024986, 1195817, 1537479, 2391634, 3074958, 3587451, 7174902, 10762353, 21524706]

約数ペア:

[(1, 21524706), (2, 10762353), (3, 7174902), (6, 3587451), (7, 3074958), (9, 2391634), (14, 1537479), (18, 1195817), (21, 1024986), (42, 512493), (63, 341662), (126, 170831), (139, 154854), (278, 77427), (417, 51618), (834, 25809), (973, 22122), (1229, 17514), (1251, 17206), (1946, 11061), (2458, 8757), (2502, 8603), (2919, 7374), (3687, 5838)]