21889984

素因数分解:

$2^6\times {\mathrm{211}}^1\times {\mathrm{1621}}^1$

素因数の和:1844

約数の個数: 28

約数和(自身を含む): 43670728

約数和(自身を除く): 21780744

約数列:

[1, 2, 4, 8, 16, 32, 64, 211, 422, 844, 1621, 1688, 3242, 3376, 6484, 6752, 12968, 13504, 25936, 51872, 103744, 342031, 684062, 1368124, 2736248, 5472496, 10944992, 21889984]

約数ペア:

[(1, 21889984), (2, 10944992), (4, 5472496), (8, 2736248), (16, 1368124), (32, 684062), (64, 342031), (211, 103744), (422, 51872), (844, 25936), (1621, 13504), (1688, 12968), (3242, 6752), (3376, 6484)]