21000984017

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{477523}}^1$

素因数の和:477752

約数の個数: 16

約数和(自身を含む): 24067209600

約数和(自身を除く): 3066225583

約数列:

[1, 13, 17, 199, 221, 2587, 3383, 43979, 477523, 6207799, 8117891, 95027077, 105532583, 1235352001, 1615460309, 21000984017]

約数ペア:

[(1, 21000984017), (13, 1615460309), (17, 1235352001), (199, 105532583), (221, 95027077), (2587, 8117891), (3383, 6207799), (43979, 477523)]