21391936

素因数分解:

$2^6\times {\mathrm{79}}^1\times {\mathrm{4231}}^1$

素因数の和:4322

約数の個数: 28

約数和(自身を含む): 42997120

約数和(自身を除く): 21605184

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 158, 316, 632, 1264, 2528, 4231, 5056, 8462, 16924, 33848, 67696, 135392, 270784, 334249, 668498, 1336996, 2673992, 5347984, 10695968, 21391936]

約数ペア:

[(1, 21391936), (2, 10695968), (4, 5347984), (8, 2673992), (16, 1336996), (32, 668498), (64, 334249), (79, 270784), (158, 135392), (316, 67696), (632, 33848), (1264, 16924), (2528, 8462), (4231, 5056)]