21851568

素因数分解:

$2^4\times 3^2\times {\mathrm{43}}^1\times {\mathrm{3529}}^1$

素因数の和:3586

約数の個数: 60

約数和(自身を含む): 62593960

約数和(自身を除く): 40742392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 43, 48, 72, 86, 129, 144, 172, 258, 344, 387, 516, 688, 774, 1032, 1548, 2064, 3096, 3529, 6192, 7058, 10587, 14116, 21174, 28232, 31761, 42348, 56464, 63522, 84696, 127044, 151747, 169392, 254088, 303494, 455241, 508176, 606988, 910482, 1213976, 1365723, 1820964, 2427952, 2731446, 3641928, 5462892, 7283856, 10925784, 21851568]

約数ペア:

[(1, 21851568), (2, 10925784), (3, 7283856), (4, 5462892), (6, 3641928), (8, 2731446), (9, 2427952), (12, 1820964), (16, 1365723), (18, 1213976), (24, 910482), (36, 606988), (43, 508176), (48, 455241), (72, 303494), (86, 254088), (129, 169392), (144, 151747), (172, 127044), (258, 84696), (344, 63522), (387, 56464), (516, 42348), (688, 31761), (774, 28232), (1032, 21174), (1548, 14116), (2064, 10587), (3096, 7058), (3529, 6192)]