21302476

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{2713}}^1$

素因数の和:2881

約数の個数: 24

約数和(自身を含む): 40427744

約数和(自身を除く): 19125268

約数列:

[1, 2, 4, 13, 26, 52, 151, 302, 604, 1963, 2713, 3926, 5426, 7852, 10852, 35269, 70538, 141076, 409663, 819326, 1638652, 5325619, 10651238, 21302476]

約数ペア:

[(1, 21302476), (2, 10651238), (4, 5325619), (13, 1638652), (26, 819326), (52, 409663), (151, 141076), (302, 70538), (604, 35269), (1963, 10852), (2713, 7852), (3926, 5426)]