21000700065

素因数分解:

$3^1\times 5^1\times {\mathrm{167}}^1\times {\mathrm{8383513}}^1$

素因数の和:8383688

約数の個数: 16

約数和(自身を含む): 33802328448

約数和(自身を除く): 12801628383

約数列:

[1, 3, 5, 15, 167, 501, 835, 2505, 8383513, 25150539, 41917565, 125752695, 1400046671, 4200140013, 7000233355, 21000700065]

約数ペア:

[(1, 21000700065), (3, 7000233355), (5, 4200140013), (15, 1400046671), (167, 125752695), (501, 41917565), (835, 25150539), (2505, 8383513)]