21697330

素因数分解:

$2^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{6217}}^1$

素因数の和:6573

約数の個数: 16

約数和(自身を含む): 39173400

約数和(自身を除く): 17476070

約数列:

[1, 2, 5, 10, 349, 698, 1745, 3490, 6217, 12434, 31085, 62170, 2169733, 4339466, 10848665, 21697330]

約数ペア:

[(1, 21697330), (2, 10848665), (5, 4339466), (10, 2169733), (349, 62170), (698, 31085), (1745, 12434), (3490, 6217)]