21235020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{353917}}^1$

素因数の和:353929

約数の個数: 24

約数和(自身を含む): 59458224

約数和(自身を除く): 38223204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 353917, 707834, 1061751, 1415668, 1769585, 2123502, 3539170, 4247004, 5308755, 7078340, 10617510, 21235020]

約数ペア:

[(1, 21235020), (2, 10617510), (3, 7078340), (4, 5308755), (5, 4247004), (6, 3539170), (10, 2123502), (12, 1769585), (15, 1415668), (20, 1061751), (30, 707834), (60, 353917)]