21793876

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{5903}}^1$

素因数の和:5991

約数の個数: 24

約数和(自身を含む): 41658624

約数和(自身を除く): 19864748

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 5903, 11806, 23612, 76739, 153478, 306956, 419113, 838226, 1676452, 5448469, 10896938, 21793876]

約数ペア:

[(1, 21793876), (2, 10896938), (4, 5448469), (13, 1676452), (26, 838226), (52, 419113), (71, 306956), (142, 153478), (284, 76739), (923, 23612), (1846, 11806), (3692, 5903)]