21889922

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1\times {\mathrm{809}}^1$

素因数の和:1057

約数の個数: 16

約数和(自身を含む): 33475680

約数和(自身を除く): 11585758

約数列:

[1, 2, 83, 163, 166, 326, 809, 1618, 13529, 27058, 67147, 131867, 134294, 263734, 10944961, 21889922]

約数ペア:

[(1, 21889922), (2, 10944961), (83, 263734), (163, 134294), (166, 131867), (326, 67147), (809, 27058), (1618, 13529)]