21889478

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{10657}}^1$

素因数の和:10751

約数の個数: 16

約数和(自身を含む): 35810880

約数和(自身を除く): 13921402

約数列:

[1, 2, 13, 26, 79, 158, 1027, 2054, 10657, 21314, 138541, 277082, 841903, 1683806, 10944739, 21889478]

約数ペア:

[(1, 21889478), (2, 10944739), (13, 1683806), (26, 841903), (79, 277082), (158, 138541), (1027, 21314), (2054, 10657)]