21668580

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{40127}}^1$

素因数の和:40145

約数の個数: 48

約数和(自身を含む): 67415040

約数和(自身を除く): 45746460

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, 40127, 80254, 120381, 160508, 200635, 240762, 361143, 401270, 481524, 601905, 722286, 802540, 1083429, 1203810, 1444572, 1805715, 2166858, 2407620, 3611430, 4333716, 5417145, 7222860, 10834290, 21668580]

約数ペア:

[(1, 21668580), (2, 10834290), (3, 7222860), (4, 5417145), (5, 4333716), (6, 3611430), (9, 2407620), (10, 2166858), (12, 1805715), (15, 1444572), (18, 1203810), (20, 1083429), (27, 802540), (30, 722286), (36, 601905), (45, 481524), (54, 401270), (60, 361143), (90, 240762), (108, 200635), (135, 160508), (180, 120381), (270, 80254), (540, 40127)]