21592278

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{547}}^1$

素因数の和:618

約数の個数: 64

約数和(自身を含む): 52081920

約数和(自身を除く): 30489642

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 43, 51, 54, 86, 102, 129, 153, 258, 306, 387, 459, 547, 731, 774, 918, 1094, 1161, 1462, 1641, 2193, 2322, 3282, 4386, 4923, 6579, 9299, 9846, 13158, 14769, 18598, 19737, 23521, 27897, 29538, 39474, 47042, 55794, 70563, 83691, 141126, 167382, 211689, 251073, 399857, 423378, 502146, 635067, 799714, 1199571, 1270134, 2399142, 3598713, 7197426, 10796139, 21592278]

約数ペア:

[(1, 21592278), (2, 10796139), (3, 7197426), (6, 3598713), (9, 2399142), (17, 1270134), (18, 1199571), (27, 799714), (34, 635067), (43, 502146), (51, 423378), (54, 399857), (86, 251073), (102, 211689), (129, 167382), (153, 141126), (258, 83691), (306, 70563), (387, 55794), (459, 47042), (547, 39474), (731, 29538), (774, 27897), (918, 23521), (1094, 19737), (1161, 18598), (1462, 14769), (1641, 13158), (2193, 9846), (2322, 9299), (3282, 6579), (4386, 4923)]