21410288

素因数分解:

$2^4\times {\mathrm{743}}^1\times {\mathrm{1801}}^1$

素因数の和:2552

約数の個数: 20

約数和(自身を含む): 41561328

約数和(自身を除く): 20151040

約数列:

[1, 2, 4, 8, 16, 743, 1486, 1801, 2972, 3602, 5944, 7204, 11888, 14408, 28816, 1338143, 2676286, 5352572, 10705144, 21410288]

約数ペア:

[(1, 21410288), (2, 10705144), (4, 5352572), (8, 2676286), (16, 1338143), (743, 28816), (1486, 14408), (1801, 11888), (2972, 7204), (3602, 5944)]