21623523

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:235

約数の個数: 32

約数和(自身を含む): 31352832

約数和(自身を除く): 9729309

約数列:

[1, 3, 31, 41, 53, 93, 107, 123, 159, 321, 1271, 1643, 2173, 3317, 3813, 4387, 4929, 5671, 6519, 9951, 13161, 17013, 67363, 135997, 175801, 202089, 232511, 407991, 527403, 697533, 7207841, 21623523]

約数ペア:

[(1, 21623523), (3, 7207841), (31, 697533), (41, 527403), (53, 407991), (93, 232511), (107, 202089), (123, 175801), (159, 135997), (321, 67363), (1271, 17013), (1643, 13161), (2173, 9951), (3317, 6519), (3813, 5671), (4387, 4929)]