21153060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{117517}}^1$

素因数の和:117532

約数の個数: 36

約数和(自身を含む): 64164828

約数和(自身を除く): 43011768

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 117517, 235034, 352551, 470068, 587585, 705102, 1057653, 1175170, 1410204, 1762755, 2115306, 2350340, 3525510, 4230612, 5288265, 7051020, 10576530, 21153060]

約数ペア:

[(1, 21153060), (2, 10576530), (3, 7051020), (4, 5288265), (5, 4230612), (6, 3525510), (9, 2350340), (10, 2115306), (12, 1762755), (15, 1410204), (18, 1175170), (20, 1057653), (30, 705102), (36, 587585), (45, 470068), (60, 352551), (90, 235034), (180, 117517)]