22821136

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{109717}}^1$

素因数の和:109738

約数の個数: 20

約数和(自身を含む): 47617612

約数和(自身を除く): 24796476

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 109717, 219434, 438868, 877736, 1426321, 1755472, 2852642, 5705284, 11410568, 22821136]

約数ペア:

[(1, 22821136), (2, 11410568), (4, 5705284), (8, 2852642), (13, 1755472), (16, 1426321), (26, 877736), (52, 438868), (104, 219434), (208, 109717)]