21892624

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{105253}}^1$

素因数の和:105274

約数の個数: 20

約数和(自身を含む): 45680236

約数和(自身を除く): 23787612

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 105253, 210506, 421012, 842024, 1368289, 1684048, 2736578, 5473156, 10946312, 21892624]

約数ペア:

[(1, 21892624), (2, 10946312), (4, 5473156), (8, 2736578), (13, 1684048), (16, 1368289), (26, 842024), (52, 421012), (104, 210506), (208, 105253)]