21497630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{27919}}^1$

素因数の和:27944

約数の個数: 32

約数和(自身を含む): 48245760

約数和(自身を除く): 26748130

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 27919, 55838, 139595, 195433, 279190, 307109, 390866, 614218, 977165, 1535545, 1954330, 2149763, 3071090, 4299526, 10748815, 21497630]

約数ペア:

[(1, 21497630), (2, 10748815), (5, 4299526), (7, 3071090), (10, 2149763), (11, 1954330), (14, 1535545), (22, 977165), (35, 614218), (55, 390866), (70, 307109), (77, 279190), (110, 195433), (154, 139595), (385, 55838), (770, 27919)]