21902886

素因数分解:

$2^1\times 3^4\times {\mathrm{53}}^1\times {\mathrm{2551}}^1$

素因数の和:2618

約数の個数: 40

約数和(自身を含む): 50024304

約数和(自身を除く): 28121418

約数列:

[1, 2, 3, 6, 9, 18, 27, 53, 54, 81, 106, 159, 162, 318, 477, 954, 1431, 2551, 2862, 4293, 5102, 7653, 8586, 15306, 22959, 45918, 68877, 135203, 137754, 206631, 270406, 405609, 413262, 811218, 1216827, 2433654, 3650481, 7300962, 10951443, 21902886]

約数ペア:

[(1, 21902886), (2, 10951443), (3, 7300962), (6, 3650481), (9, 2433654), (18, 1216827), (27, 811218), (53, 413262), (54, 405609), (81, 270406), (106, 206631), (159, 137754), (162, 135203), (318, 68877), (477, 45918), (954, 22959), (1431, 15306), (2551, 8586), (2862, 7653), (4293, 5102)]