21966828

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{140813}}^1$

素因数の和:140833

約数の個数: 24

約数和(自身を含む): 55199088

約数和(自身を除く): 33232260

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 140813, 281626, 422439, 563252, 844878, 1689756, 1830569, 3661138, 5491707, 7322276, 10983414, 21966828]

約数ペア:

[(1, 21966828), (2, 10983414), (3, 7322276), (4, 5491707), (6, 3661138), (12, 1830569), (13, 1689756), (26, 844878), (39, 563252), (52, 422439), (78, 281626), (156, 140813)]