21919572

素因数分解:

$2^2\times 3^6\times {\mathrm{7517}}^1$

素因数の和:7539

約数の個数: 42

約数和(自身を含む): 57520218

約数和(自身を除く): 35600646

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 972, 1458, 2916, 7517, 15034, 22551, 30068, 45102, 67653, 90204, 135306, 202959, 270612, 405918, 608877, 811836, 1217754, 1826631, 2435508, 3653262, 5479893, 7306524, 10959786, 21919572]

約数ペア:

[(1, 21919572), (2, 10959786), (3, 7306524), (4, 5479893), (6, 3653262), (9, 2435508), (12, 1826631), (18, 1217754), (27, 811836), (36, 608877), (54, 405918), (81, 270612), (108, 202959), (162, 135306), (243, 90204), (324, 67653), (486, 45102), (729, 30068), (972, 22551), (1458, 15034), (2916, 7517)]