21697982

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1\times {\mathrm{719}}^1$

素因数の和:991

約数の個数: 16

約数和(自身を含む): 33177600

約数和(自身を除く): 11479618

約数列:

[1, 2, 79, 158, 191, 382, 719, 1438, 15089, 30178, 56801, 113602, 137329, 274658, 10848991, 21697982]

約数ペア:

[(1, 21697982), (2, 10848991), (79, 274658), (158, 137329), (191, 113602), (382, 56801), (719, 30178), (1438, 15089)]