21034447191

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{317}}^1\times {\mathrm{6473}}^1$

素因数の和:6880

約数の個数: 48

約数和(自身を含む): 32758543584

約数和(自身を除く): 11724096393

約数列:

[1, 3, 9, 17, 51, 67, 153, 201, 317, 603, 951, 1139, 2853, 3417, 5389, 6473, 10251, 16167, 19419, 21239, 48501, 58257, 63717, 110041, 191151, 330123, 361063, 433691, 990369, 1083189, 1301073, 2051941, 3249567, 3903219, 6155823, 7372747, 18467469, 22118241, 34882997, 66354723, 104648991, 137480047, 313946973, 412440141, 1237320423, 2337160799, 7011482397, 21034447191]

約数ペア:

[(1, 21034447191), (3, 7011482397), (9, 2337160799), (17, 1237320423), (51, 412440141), (67, 313946973), (153, 137480047), (201, 104648991), (317, 66354723), (603, 34882997), (951, 22118241), (1139, 18467469), (2853, 7372747), (3417, 6155823), (5389, 3903219), (6473, 3249567), (10251, 2051941), (16167, 1301073), (19419, 1083189), (21239, 990369), (48501, 433691), (58257, 361063), (63717, 330123), (110041, 191151)]