21898984471

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3389411}}^1$

素因数の和:3389502

約数の個数: 16

約数和(自身を含む): 27332218368

約数和(自身を除く): 5433233897

約数列:

[1, 7, 13, 71, 91, 497, 923, 6461, 3389411, 23725877, 44062343, 240648181, 308436401, 1684537267, 3128426353, 21898984471]

約数ペア:

[(1, 21898984471), (7, 3128426353), (13, 1684537267), (71, 308436401), (91, 240648181), (497, 44062343), (923, 23725877), (6461, 3389411)]