21845075

素因数分解:

$5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2903}}^1$

素因数の和:2963

約数の個数: 24

約数和(自身を含む): 31688448

約数和(自身を除く): 9843373

約数列:

[1, 5, 7, 25, 35, 43, 175, 215, 301, 1075, 1505, 2903, 7525, 14515, 20321, 72575, 101605, 124829, 508025, 624145, 873803, 3120725, 4369015, 21845075]

約数ペア:

[(1, 21845075), (5, 4369015), (7, 3120725), (25, 873803), (35, 624145), (43, 508025), (175, 124829), (215, 101605), (301, 72575), (1075, 20321), (1505, 14515), (2903, 7525)]