21469368

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{521}}^1$

素因数の和:648

約数の個数: 64

約数和(自身を含む): 57503520

約数和(自身を除く): 36034152

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 101, 102, 136, 202, 204, 303, 404, 408, 521, 606, 808, 1042, 1212, 1563, 1717, 2084, 2424, 3126, 3434, 4168, 5151, 6252, 6868, 8857, 10302, 12504, 13736, 17714, 20604, 26571, 35428, 41208, 52621, 53142, 70856, 105242, 106284, 157863, 210484, 212568, 315726, 420968, 631452, 894557, 1262904, 1789114, 2683671, 3578228, 5367342, 7156456, 10734684, 21469368]

約数ペア:

[(1, 21469368), (2, 10734684), (3, 7156456), (4, 5367342), (6, 3578228), (8, 2683671), (12, 1789114), (17, 1262904), (24, 894557), (34, 631452), (51, 420968), (68, 315726), (101, 212568), (102, 210484), (136, 157863), (202, 106284), (204, 105242), (303, 70856), (404, 53142), (408, 52621), (521, 41208), (606, 35428), (808, 26571), (1042, 20604), (1212, 17714), (1563, 13736), (1717, 12504), (2084, 10302), (2424, 8857), (3126, 6868), (3434, 6252), (4168, 5151)]