21463551

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{487}}^1$

素因数の和:635

約数の個数: 24

約数和(自身を含む): 31973760

約数和(自身を除く): 10510209

約数列:

[1, 3, 9, 59, 83, 177, 249, 487, 531, 747, 1461, 4383, 4897, 14691, 28733, 40421, 44073, 86199, 121263, 258597, 363789, 2384839, 7154517, 21463551]

約数ペア:

[(1, 21463551), (3, 7154517), (9, 2384839), (59, 363789), (83, 258597), (177, 121263), (249, 86199), (487, 44073), (531, 40421), (747, 28733), (1461, 14691), (4383, 4897)]