21644520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{180371}}^1$

素因数の和:180385

約数の個数: 32

約数和(自身を含む): 64933920

約数和(自身を除く): 43289400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 180371, 360742, 541113, 721484, 901855, 1082226, 1442968, 1803710, 2164452, 2705565, 3607420, 4328904, 5411130, 7214840, 10822260, 21644520]

約数ペア:

[(1, 21644520), (2, 10822260), (3, 7214840), (4, 5411130), (5, 4328904), (6, 3607420), (8, 2705565), (10, 2164452), (12, 1803710), (15, 1442968), (20, 1082226), (24, 901855), (30, 721484), (40, 541113), (60, 360742), (120, 180371)]