16721198

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{811}}^1$

素因数の和:900

約数の個数: 24

約数和(自身を含む): 27638856

約数和(自身を除く): 10917658

約数列:

[1, 2, 13, 26, 61, 122, 169, 338, 793, 811, 1586, 1622, 10309, 10543, 20618, 21086, 49471, 98942, 137059, 274118, 643123, 1286246, 8360599, 16721198]

約数ペア:

[(1, 16721198), (2, 8360599), (13, 1286246), (26, 643123), (61, 274118), (122, 137059), (169, 98942), (338, 49471), (793, 21086), (811, 20618), (1586, 10543), (1622, 10309)]