21325620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{355427}}^1$

素因数の和:355439

約数の個数: 24

約数和(自身を含む): 59711904

約数和(自身を除く): 38386284

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 355427, 710854, 1066281, 1421708, 1777135, 2132562, 3554270, 4265124, 5331405, 7108540, 10662810, 21325620]

約数ペア:

[(1, 21325620), (2, 10662810), (3, 7108540), (4, 5331405), (5, 4265124), (6, 3554270), (10, 2132562), (12, 1777135), (15, 1421708), (20, 1066281), (30, 710854), (60, 355427)]