21010002

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8689}}^1$

素因数の和:8738

約数の個数: 32

約数和(自身を含む): 46717440

約数和(自身を除く): 25707438

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 8689, 17378, 26067, 52134, 112957, 225914, 269359, 338871, 538718, 677742, 808077, 1616154, 3501667, 7003334, 10505001, 21010002]

約数ペア:

[(1, 21010002), (2, 10505001), (3, 7003334), (6, 3501667), (13, 1616154), (26, 808077), (31, 677742), (39, 538718), (62, 338871), (78, 269359), (93, 225914), (186, 112957), (403, 52134), (806, 26067), (1209, 17378), (2418, 8689)]