21098972

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{10009}}^1$

素因数の和:10061

約数の個数: 24

約数和(自身を含む): 40360320

約数和(自身を除く): 19261348

約数列:

[1, 2, 4, 17, 31, 34, 62, 68, 124, 527, 1054, 2108, 10009, 20018, 40036, 170153, 310279, 340306, 620558, 680612, 1241116, 5274743, 10549486, 21098972]

約数ペア:

[(1, 21098972), (2, 10549486), (4, 5274743), (17, 1241116), (31, 680612), (34, 620558), (62, 340306), (68, 310279), (124, 170153), (527, 40036), (1054, 20018), (2108, 10009)]