21966754

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{9643}}^1$

素因数の和:9729

約数の個数: 16

約数和(自身を含む): 35412768

約数和(自身を除く): 13446014

約数列:

[1, 2, 17, 34, 67, 134, 1139, 2278, 9643, 19286, 163931, 327862, 646081, 1292162, 10983377, 21966754]

約数ペア:

[(1, 21966754), (2, 10983377), (17, 1292162), (34, 646081), (67, 327862), (134, 163931), (1139, 19286), (2278, 9643)]