21014769559

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{293}}^1$

素因数の和:560

約数の個数: 64

約数和(自身を含む): 26178324480

約数和(自身を除く): 5163554921

約数列:

[1, 7, 23, 61, 67, 109, 161, 293, 427, 469, 763, 1403, 1541, 2051, 2507, 4087, 6649, 6739, 7303, 9821, 10787, 17549, 17873, 19631, 28609, 31937, 46543, 47173, 51121, 94001, 125111, 137417, 152927, 167969, 223559, 411079, 445483, 451513, 658007, 734551, 1070489, 1175783, 1197491, 1948157, 2139779, 2877553, 3118381, 3160591, 5141857, 8382437, 10246109, 13637099, 14978453, 27542293, 44807611, 49214917, 71722763, 130526519, 192796051, 313653277, 344504419, 913685633, 3002109937, 21014769559]

約数ペア:

[(1, 21014769559), (7, 3002109937), (23, 913685633), (61, 344504419), (67, 313653277), (109, 192796051), (161, 130526519), (293, 71722763), (427, 49214917), (469, 44807611), (763, 27542293), (1403, 14978453), (1541, 13637099), (2051, 10246109), (2507, 8382437), (4087, 5141857), (6649, 3160591), (6739, 3118381), (7303, 2877553), (9821, 2139779), (10787, 1948157), (17549, 1197491), (17873, 1175783), (19631, 1070489), (28609, 734551), (31937, 658007), (46543, 451513), (47173, 445483), (51121, 411079), (94001, 223559), (125111, 167969), (137417, 152927)]