21440595

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{11813}}^1$

素因数の和:11843

約数の個数: 24

約数和(自身を含む): 37710288

約数和(自身を除く): 16269693

約数列:

[1, 3, 5, 11, 15, 33, 55, 121, 165, 363, 605, 1815, 11813, 35439, 59065, 129943, 177195, 389829, 649715, 1429373, 1949145, 4288119, 7146865, 21440595]

約数ペア:

[(1, 21440595), (3, 7146865), (5, 4288119), (11, 1949145), (15, 1429373), (33, 649715), (55, 389829), (121, 177195), (165, 129943), (363, 59065), (605, 35439), (1815, 11813)]