21295778

素因数分解:

$2^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{6701}}^1$

素因数の和:6937

約数の個数: 16

約数和(自身を含む): 36673344

約数和(自身を除く): 15377566

約数列:

[1, 2, 7, 14, 227, 454, 1589, 3178, 6701, 13402, 46907, 93814, 1521127, 3042254, 10647889, 21295778]

約数ペア:

[(1, 21295778), (2, 10647889), (7, 3042254), (14, 1521127), (227, 93814), (454, 46907), (1589, 13402), (3178, 6701)]