21502042

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{9439}}^1$

素因数の和:9525

約数の個数: 16

約数和(自身を含む): 34663680

約数和(自身を除く): 13161638

約数列:

[1, 2, 17, 34, 67, 134, 1139, 2278, 9439, 18878, 160463, 320926, 632413, 1264826, 10751021, 21502042]

約数ペア:

[(1, 21502042), (2, 10751021), (17, 1264826), (34, 632413), (67, 320926), (134, 160463), (1139, 18878), (2278, 9439)]