21070328

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{84961}}^1$

素因数の和:84998

約数の個数: 16

約数和(自身を含む): 40781760

約数和(自身を除く): 19711432

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 84961, 169922, 339844, 679688, 2633791, 5267582, 10535164, 21070328]

約数ペア:

[(1, 21070328), (2, 10535164), (4, 5267582), (8, 2633791), (31, 679688), (62, 339844), (124, 169922), (248, 84961)]