21765822

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1613}}^1$

素因数の和:1804

約数の個数: 32

約数和(自身を含む): 47180448

約数和(自身を除く): 25414626

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 173, 346, 519, 1038, 1613, 2249, 3226, 4498, 4839, 6747, 9678, 13494, 20969, 41938, 62907, 125814, 279049, 558098, 837147, 1674294, 3627637, 7255274, 10882911, 21765822]

約数ペア:

[(1, 21765822), (2, 10882911), (3, 7255274), (6, 3627637), (13, 1674294), (26, 837147), (39, 558098), (78, 279049), (173, 125814), (346, 62907), (519, 41938), (1038, 20969), (1613, 13494), (2249, 9678), (3226, 6747), (4498, 4839)]