21869170

素因数分解:

$2^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{6607}}^1$

素因数の和:6945

約数の個数: 16

約数和(自身を含む): 39489408

約数和(自身を除く): 17620238

約数列:

[1, 2, 5, 10, 331, 662, 1655, 3310, 6607, 13214, 33035, 66070, 2186917, 4373834, 10934585, 21869170]

約数ペア:

[(1, 21869170), (2, 10934585), (5, 4373834), (10, 2186917), (331, 66070), (662, 33035), (1655, 13214), (3310, 6607)]