21994816

素因数分解:

$2^6\times {\mathrm{557}}^1\times {\mathrm{617}}^1$

素因数の和:1186

約数の個数: 28

約数和(自身を含む): 43795188

約数和(自身を除く): 21800372

約数列:

[1, 2, 4, 8, 16, 32, 64, 557, 617, 1114, 1234, 2228, 2468, 4456, 4936, 8912, 9872, 17824, 19744, 35648, 39488, 343669, 687338, 1374676, 2749352, 5498704, 10997408, 21994816]

約数ペア:

[(1, 21994816), (2, 10997408), (4, 5498704), (8, 2749352), (16, 1374676), (32, 687338), (64, 343669), (557, 39488), (617, 35648), (1114, 19744), (1234, 17824), (2228, 9872), (2468, 8912), (4456, 4936)]