21174237

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4871}}^1$

素因数の和:4910

約数の個数: 32

約数和(自身を含む): 37416960

約数和(自身を除く): 16242723

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4347, 4871, 14613, 34097, 43839, 102291, 112033, 131517, 306873, 336099, 784231, 920619, 1008297, 2352693, 3024891, 7058079, 21174237]

約数ペア:

[(1, 21174237), (3, 7058079), (7, 3024891), (9, 2352693), (21, 1008297), (23, 920619), (27, 784231), (63, 336099), (69, 306873), (161, 131517), (189, 112033), (207, 102291), (483, 43839), (621, 34097), (1449, 14613), (4347, 4871)]