21366656

素因数分解:

$2^7\times {\mathrm{79}}^1\times {\mathrm{2113}}^1$

素因数の和:2206

約数の個数: 32

約数和(自身を含む): 43125600

約数和(自身を除く): 21758944

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 128, 158, 316, 632, 1264, 2113, 2528, 4226, 5056, 8452, 10112, 16904, 33808, 67616, 135232, 166927, 270464, 333854, 667708, 1335416, 2670832, 5341664, 10683328, 21366656]

約数ペア:

[(1, 21366656), (2, 10683328), (4, 5341664), (8, 2670832), (16, 1335416), (32, 667708), (64, 333854), (79, 270464), (128, 166927), (158, 135232), (316, 67616), (632, 33808), (1264, 16904), (2113, 10112), (2528, 8452), (4226, 5056)]