21886740

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{40531}}^1$

素因数の和:40549

約数の個数: 48

約数和(自身を含む): 68093760

約数和(自身を除く): 46207020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 40531, 81062, 121593, 162124, 202655, 243186, 364779, 405310, 486372, 607965, 729558, 810620, 1094337, 1215930, 1459116, 1823895, 2188674, 2431860, 3647790, 4377348, 5471685, 7295580, 10943370, 21886740]

約数ペア:

[(1, 21886740), (2, 10943370), (3, 7295580), (4, 5471685), (5, 4377348), (6, 3647790), (9, 2431860), (10, 2188674), (12, 1823895), (15, 1459116), (18, 1215930), (20, 1094337), (27, 810620), (30, 729558), (36, 607965), (45, 486372), (54, 405310), (60, 364779), (90, 243186), (108, 202655), (135, 162124), (180, 121593), (270, 81062), (540, 40531)]