21074520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{175621}}^1$

素因数の和:175635

約数の個数: 32

約数和(自身を含む): 63223920

約数和(自身を除く): 42149400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 175621, 351242, 526863, 702484, 878105, 1053726, 1404968, 1756210, 2107452, 2634315, 3512420, 4214904, 5268630, 7024840, 10537260, 21074520]

約数ペア:

[(1, 21074520), (2, 10537260), (3, 7024840), (4, 5268630), (5, 4214904), (6, 3512420), (8, 2634315), (10, 2107452), (12, 1756210), (15, 1404968), (20, 1053726), (24, 878105), (30, 702484), (40, 526863), (60, 351242), (120, 175621)]