21102958

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{3407}}^1$

素因数の和:3591

約数の個数: 16

約数和(自身を含む): 33534720

約数和(自身を除く): 12431762

約数列:

[1, 2, 19, 38, 163, 326, 3097, 3407, 6194, 6814, 64733, 129466, 555341, 1110682, 10551479, 21102958]

約数ペア:

[(1, 21102958), (2, 10551479), (19, 1110682), (38, 555341), (163, 129466), (326, 64733), (3097, 6814), (3407, 6194)]