21430365

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{5647}}^1$

素因数の和:5689

約数の個数: 32

約数和(自身を含む): 39038976

約数和(自身を除く): 17608611

約数列:

[1, 3, 5, 11, 15, 23, 33, 55, 69, 115, 165, 253, 345, 759, 1265, 3795, 5647, 16941, 28235, 62117, 84705, 129881, 186351, 310585, 389643, 649405, 931755, 1428691, 1948215, 4286073, 7143455, 21430365]

約数ペア:

[(1, 21430365), (3, 7143455), (5, 4286073), (11, 1948215), (15, 1428691), (23, 931755), (33, 649405), (55, 389643), (69, 310585), (115, 186351), (165, 129881), (253, 84705), (345, 62117), (759, 28235), (1265, 16941), (3795, 5647)]