21154094

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{4703}}^1$

素因数の和:4891

約数の個数: 16

約数和(自身を含む): 34376832

約数和(自身を除く): 13222738

約数列:

[1, 2, 13, 26, 173, 346, 2249, 4498, 4703, 9406, 61139, 122278, 813619, 1627238, 10577047, 21154094]

約数ペア:

[(1, 21154094), (2, 10577047), (13, 1627238), (26, 813619), (173, 122278), (346, 61139), (2249, 9406), (4498, 4703)]