21536703568

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{338287}}^1$

素因数の和:338491

約数の個数: 40

約数和(自身を含む): 43793411328

約数和(自身を除く): 22256707760

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 173, 184, 346, 368, 692, 1384, 2768, 3979, 7958, 15916, 31832, 63664, 338287, 676574, 1353148, 2706296, 5412592, 7780601, 15561202, 31122404, 58523651, 62244808, 117047302, 124489616, 234094604, 468189208, 936378416, 1346043973, 2692087946, 5384175892, 10768351784, 21536703568]

約数ペア:

[(1, 21536703568), (2, 10768351784), (4, 5384175892), (8, 2692087946), (16, 1346043973), (23, 936378416), (46, 468189208), (92, 234094604), (173, 124489616), (184, 117047302), (346, 62244808), (368, 58523651), (692, 31122404), (1384, 15561202), (2768, 7780601), (3979, 5412592), (7958, 2706296), (15916, 1353148), (31832, 676574), (63664, 338287)]