21478528

素因数分解:

$2^7\times {\mathrm{167801}}^1$

素因数の和:167815

約数の個数: 16

約数和(自身を含む): 42789510

約数和(自身を除く): 21310982

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 167801, 335602, 671204, 1342408, 2684816, 5369632, 10739264, 21478528]

約数ペア:

[(1, 21478528), (2, 10739264), (4, 5369632), (8, 2684816), (16, 1342408), (32, 671204), (64, 335602), (128, 167801)]