21000273801

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1489}}^1\times {\mathrm{4357}}^1$

素因数の和:5945

約数の個数: 32

約数和(自身を含む): 30545047680

約数和(自身を除く): 9544773879

約数列:

[1, 3, 13, 39, 83, 249, 1079, 1489, 3237, 4357, 4467, 13071, 19357, 56641, 58071, 123587, 169923, 361631, 370761, 1084893, 1606631, 4701203, 4819893, 6487573, 14103609, 19462719, 84338449, 253015347, 538468559, 1615405677, 7000091267, 21000273801]

約数ペア:

[(1, 21000273801), (3, 7000091267), (13, 1615405677), (39, 538468559), (83, 253015347), (249, 84338449), (1079, 19462719), (1489, 14103609), (3237, 6487573), (4357, 4819893), (4467, 4701203), (13071, 1606631), (19357, 1084893), (56641, 370761), (58071, 361631), (123587, 169923)]