21602412

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1489}}^1$

素因数の和:1543

約数の個数: 72

約数和(自身を含む): 60744320

約数和(自身を除く): 39141908

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 156, 186, 234, 279, 372, 403, 468, 558, 806, 1116, 1209, 1489, 1612, 2418, 2978, 3627, 4467, 4836, 5956, 7254, 8934, 13401, 14508, 17868, 19357, 26802, 38714, 46159, 53604, 58071, 77428, 92318, 116142, 138477, 174213, 184636, 232284, 276954, 348426, 415431, 553908, 600067, 696852, 830862, 1200134, 1661724, 1800201, 2400268, 3600402, 5400603, 7200804, 10801206, 21602412]

約数ペア:

[(1, 21602412), (2, 10801206), (3, 7200804), (4, 5400603), (6, 3600402), (9, 2400268), (12, 1800201), (13, 1661724), (18, 1200134), (26, 830862), (31, 696852), (36, 600067), (39, 553908), (52, 415431), (62, 348426), (78, 276954), (93, 232284), (117, 184636), (124, 174213), (156, 138477), (186, 116142), (234, 92318), (279, 77428), (372, 58071), (403, 53604), (468, 46159), (558, 38714), (806, 26802), (1116, 19357), (1209, 17868), (1489, 14508), (1612, 13401), (2418, 8934), (2978, 7254), (3627, 5956), (4467, 4836)]