21563414

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{179}}^1$

素因数の和:308

約数の個数: 32

約数和(自身を含む): 35251200

約数和(自身を除く): 13687786

約数列:

[1, 2, 29, 31, 58, 62, 67, 134, 179, 358, 899, 1798, 1943, 2077, 3886, 4154, 5191, 5549, 10382, 11098, 11993, 23986, 60233, 120466, 160921, 321842, 347797, 371783, 695594, 743566, 10781707, 21563414]

約数ペア:

[(1, 21563414), (2, 10781707), (29, 743566), (31, 695594), (58, 371783), (62, 347797), (67, 321842), (134, 160921), (179, 120466), (358, 60233), (899, 23986), (1798, 11993), (1943, 11098), (2077, 10382), (3886, 5549), (4154, 5191)]