21526908

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{137993}}^1$

素因数の和:138013

約数の個数: 24

約数和(自身を含む): 54093648

約数和(自身を除く): 32566740

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 137993, 275986, 413979, 551972, 827958, 1655916, 1793909, 3587818, 5381727, 7175636, 10763454, 21526908]

約数ペア:

[(1, 21526908), (2, 10763454), (3, 7175636), (4, 5381727), (6, 3587818), (12, 1793909), (13, 1655916), (26, 827958), (39, 551972), (52, 413979), (78, 275986), (156, 137993)]