21167357942

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{2819}}^1\times {\mathrm{52879}}^1$

素因数の和:55771

約数の個数: 16

約数和(自身を含む): 32210265600

約数和(自身を除く): 11042907658

約数列:

[1, 2, 71, 142, 2819, 5638, 52879, 105758, 200149, 400298, 3754409, 7508818, 149065901, 298131802, 10583678971, 21167357942]

約数ペア:

[(1, 21167357942), (2, 10583678971), (71, 298131802), (142, 149065901), (2819, 7508818), (5638, 3754409), (52879, 400298), (105758, 200149)]