21355458191

素因数分解:

${\mathrm{17}}^2\times {\mathrm{83}}^1\times {\mathrm{233}}^1\times {\mathrm{3821}}^1$

素因数の和:4171

約数の個数: 24

約数和(自身を含む): 23063446224

約数和(自身を除く): 1707988033

約数列:

[1, 17, 83, 233, 289, 1411, 3821, 3961, 19339, 23987, 64957, 67337, 317143, 328763, 890293, 1104269, 5391431, 5588971, 15134981, 73894319, 91654327, 257294677, 1256203423, 21355458191]

約数ペア:

[(1, 21355458191), (17, 1256203423), (83, 257294677), (233, 91654327), (289, 73894319), (1411, 15134981), (3821, 5588971), (3961, 5391431), (19339, 1104269), (23987, 890293), (64957, 328763), (67337, 317143)]