21416710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{8269}}^1$

素因数の和:8320

約数の個数: 32

約数和(自身を含む): 45253440

約数和(自身を除く): 23836730

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 185, 259, 370, 518, 1295, 2590, 8269, 16538, 41345, 57883, 82690, 115766, 289415, 305953, 578830, 611906, 1529765, 2141671, 3059530, 4283342, 10708355, 21416710]

約数ペア:

[(1, 21416710), (2, 10708355), (5, 4283342), (7, 3059530), (10, 2141671), (14, 1529765), (35, 611906), (37, 578830), (70, 305953), (74, 289415), (185, 115766), (259, 82690), (370, 57883), (518, 41345), (1295, 16538), (2590, 8269)]