21514632513

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{211}}^1\times {\mathrm{397}}^1$

素因数の和:846

約数の個数: 64

約数和(自身を含む): 32432784384

約数和(自身を除く): 10918151871

約数列:

[1, 3, 11, 33, 43, 129, 181, 211, 397, 473, 543, 633, 1191, 1419, 1991, 2321, 4367, 5973, 6963, 7783, 9073, 13101, 17071, 23349, 27219, 38191, 51213, 71857, 83767, 85613, 99803, 114573, 187781, 215571, 251301, 256839, 299409, 420101, 563343, 790427, 921437, 1260303, 1642213, 2371281, 2764311, 3089851, 3601981, 4926639, 9269553, 10805943, 15161827, 18064343, 33988361, 39621791, 45485481, 54193029, 101965083, 118865373, 166780097, 500340291, 651958561, 1955875683, 7171544171, 21514632513]

約数ペア:

[(1, 21514632513), (3, 7171544171), (11, 1955875683), (33, 651958561), (43, 500340291), (129, 166780097), (181, 118865373), (211, 101965083), (397, 54193029), (473, 45485481), (543, 39621791), (633, 33988361), (1191, 18064343), (1419, 15161827), (1991, 10805943), (2321, 9269553), (4367, 4926639), (5973, 3601981), (6963, 3089851), (7783, 2764311), (9073, 2371281), (13101, 1642213), (17071, 1260303), (23349, 921437), (27219, 790427), (38191, 563343), (51213, 420101), (71857, 299409), (83767, 256839), (85613, 251301), (99803, 215571), (114573, 187781)]