21000944826

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{158371}}^1$

素因数の和:158571

約数の個数: 48

約数和(自身を含む): 46694400480

約数和(自身を除く): 25693455654

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 139, 159, 278, 318, 417, 477, 834, 954, 1251, 2502, 7367, 14734, 22101, 44202, 66303, 132606, 158371, 316742, 475113, 950226, 1425339, 2850678, 8393663, 16787326, 22013569, 25180989, 44027138, 50361978, 66040707, 75542967, 132081414, 151085934, 198122121, 396244242, 1166719157, 2333438314, 3500157471, 7000314942, 10500472413, 21000944826]

約数ペア:

[(1, 21000944826), (2, 10500472413), (3, 7000314942), (6, 3500157471), (9, 2333438314), (18, 1166719157), (53, 396244242), (106, 198122121), (139, 151085934), (159, 132081414), (278, 75542967), (318, 66040707), (417, 50361978), (477, 44027138), (834, 25180989), (954, 22013569), (1251, 16787326), (2502, 8393663), (7367, 2850678), (14734, 1425339), (22101, 950226), (44202, 475113), (66303, 316742), (132606, 158371)]