21986997618

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{401}}^1\times {\mathrm{461}}^2$

素因数の和:1371

約数の個数: 48

約数和(自身を含む): 45206919648

約数和(自身を除く): 23219922030

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 401, 461, 802, 922, 1203, 1383, 2406, 2766, 17243, 19823, 34486, 39646, 51729, 59469, 103458, 118938, 184861, 212521, 369722, 425042, 554583, 637563, 1109166, 1275126, 7949023, 9138403, 15898046, 18276806, 23847069, 27415209, 47694138, 54830418, 85220921, 170441842, 255662763, 511325526, 3664499603, 7328999206, 10993498809, 21986997618]

約数ペア:

[(1, 21986997618), (2, 10993498809), (3, 7328999206), (6, 3664499603), (43, 511325526), (86, 255662763), (129, 170441842), (258, 85220921), (401, 54830418), (461, 47694138), (802, 27415209), (922, 23847069), (1203, 18276806), (1383, 15898046), (2406, 9138403), (2766, 7949023), (17243, 1275126), (19823, 1109166), (34486, 637563), (39646, 554583), (51729, 425042), (59469, 369722), (103458, 212521), (118938, 184861)]