21798112

素因数分解:

$2^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4231}}^1$

素因数の和:4271

約数の個数: 48

約数和(自身を含む): 51190272

約数和(自身を除く): 29392160

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 92, 112, 161, 184, 224, 322, 368, 644, 736, 1288, 2576, 4231, 5152, 8462, 16924, 29617, 33848, 59234, 67696, 97313, 118468, 135392, 194626, 236936, 389252, 473872, 681191, 778504, 947744, 1362382, 1557008, 2724764, 3114016, 5449528, 10899056, 21798112]

約数ペア:

[(1, 21798112), (2, 10899056), (4, 5449528), (7, 3114016), (8, 2724764), (14, 1557008), (16, 1362382), (23, 947744), (28, 778504), (32, 681191), (46, 473872), (56, 389252), (92, 236936), (112, 194626), (161, 135392), (184, 118468), (224, 97313), (322, 67696), (368, 59234), (644, 33848), (736, 29617), (1288, 16924), (2576, 8462), (4231, 5152)]