21489622

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2969}}^1$

素因数の和:3036

約数の個数: 32

約数和(自身を含む): 41057280

約数和(自身を除く): 19567658

約数列:

[1, 2, 7, 11, 14, 22, 47, 77, 94, 154, 329, 517, 658, 1034, 2969, 3619, 5938, 7238, 20783, 32659, 41566, 65318, 139543, 228613, 279086, 457226, 976801, 1534973, 1953602, 3069946, 10744811, 21489622]

約数ペア:

[(1, 21489622), (2, 10744811), (7, 3069946), (11, 1953602), (14, 1534973), (22, 976801), (47, 457226), (77, 279086), (94, 228613), (154, 139543), (329, 65318), (517, 41566), (658, 32659), (1034, 20783), (2969, 7238), (3619, 5938)]