21206106

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1873}}^1$

素因数の和:1935

約数の個数: 48

約数和(自身を含む): 49990824

約数和(自身を除く): 28784718

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 37, 51, 74, 102, 111, 153, 222, 306, 333, 629, 666, 1258, 1873, 1887, 3746, 3774, 5619, 5661, 11238, 11322, 16857, 31841, 33714, 63682, 69301, 95523, 138602, 191046, 207903, 286569, 415806, 573138, 623709, 1178117, 1247418, 2356234, 3534351, 7068702, 10603053, 21206106]

約数ペア:

[(1, 21206106), (2, 10603053), (3, 7068702), (6, 3534351), (9, 2356234), (17, 1247418), (18, 1178117), (34, 623709), (37, 573138), (51, 415806), (74, 286569), (102, 207903), (111, 191046), (153, 138602), (222, 95523), (306, 69301), (333, 63682), (629, 33714), (666, 31841), (1258, 16857), (1873, 11322), (1887, 11238), (3746, 5661), (3774, 5619)]