21373318

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{3191}}^1$

素因数の和:3407

約数の個数: 16

約数和(自身を含む): 34128864

約数和(自身を除く): 12755546

約数列:

[1, 2, 17, 34, 197, 394, 3191, 3349, 6382, 6698, 54247, 108494, 628627, 1257254, 10686659, 21373318]

約数ペア:

[(1, 21373318), (2, 10686659), (17, 1257254), (34, 628627), (197, 108494), (394, 54247), (3191, 6698), (3349, 6382)]