21866475

素因数分解:

$3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{5501}}^1$

素因数の和:5567

約数の個数: 24

約数和(自身を含む): 36841392

約数和(自身を除く): 14974917

約数列:

[1, 3, 5, 15, 25, 53, 75, 159, 265, 795, 1325, 3975, 5501, 16503, 27505, 82515, 137525, 291553, 412575, 874659, 1457765, 4373295, 7288825, 21866475]

約数ペア:

[(1, 21866475), (3, 7288825), (5, 4373295), (15, 1457765), (25, 874659), (53, 412575), (75, 291553), (159, 137525), (265, 82515), (795, 27505), (1325, 16503), (3975, 5501)]