21438375

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{8167}}^1$

素因数の和:8192

約数の個数: 32

約数和(自身を含む): 40774656

約数和(自身を除く): 19336281

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 125, 175, 375, 525, 875, 2625, 8167, 24501, 40835, 57169, 122505, 171507, 204175, 285845, 612525, 857535, 1020875, 1429225, 3062625, 4287675, 7146125, 21438375]

約数ペア:

[(1, 21438375), (3, 7146125), (5, 4287675), (7, 3062625), (15, 1429225), (21, 1020875), (25, 857535), (35, 612525), (75, 285845), (105, 204175), (125, 171507), (175, 122505), (375, 57169), (525, 40835), (875, 24501), (2625, 8167)]