21126270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{64019}}^1$

素因数の和:64040

約数の個数: 32

約数和(自身を含む): 55313280

約数和(自身を除く): 34187010

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 64019, 128038, 192057, 320095, 384114, 640190, 704209, 960285, 1408418, 1920570, 2112627, 3521045, 4225254, 7042090, 10563135, 21126270]

約数ペア:

[(1, 21126270), (2, 10563135), (3, 7042090), (5, 4225254), (6, 3521045), (10, 2112627), (11, 1920570), (15, 1408418), (22, 960285), (30, 704209), (33, 640190), (55, 384114), (66, 320095), (110, 192057), (165, 128038), (330, 64019)]