21097124

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{653}}^1$

素因数の和:895

約数の個数: 24

約数和(自身を含む): 38070648

約数和(自身を除く): 16973524

約数列:

[1, 2, 4, 41, 82, 164, 197, 394, 653, 788, 1306, 2612, 8077, 16154, 26773, 32308, 53546, 107092, 128641, 257282, 514564, 5274281, 10548562, 21097124]

約数ペア:

[(1, 21097124), (2, 10548562), (4, 5274281), (41, 514564), (82, 257282), (164, 128641), (197, 107092), (394, 53546), (653, 32308), (788, 26773), (1306, 16154), (2612, 8077)]