21357060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{355951}}^1$

素因数の和:355963

約数の個数: 24

約数和(自身を含む): 59799936

約数和(自身を除く): 38442876

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 355951, 711902, 1067853, 1423804, 1779755, 2135706, 3559510, 4271412, 5339265, 7119020, 10678530, 21357060]

約数ペア:

[(1, 21357060), (2, 10678530), (3, 7119020), (4, 5339265), (5, 4271412), (6, 3559510), (10, 2135706), (12, 1779755), (15, 1423804), (20, 1067853), (30, 711902), (60, 355951)]