21298021283

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{202933}}^1$

素因数の和:203027

約数の個数: 32

約数和(自身を含む): 28053596160

約数和(自身を除く): 6755574877

約数列:

[1, 7, 11, 29, 47, 77, 203, 319, 329, 517, 1363, 2233, 3619, 9541, 14993, 104951, 202933, 1420531, 2232263, 5885057, 9537851, 15625841, 41195399, 64735627, 66764957, 104916361, 276597679, 453149389, 734414527, 1936183753, 3042574469, 21298021283]

約数ペア:

[(1, 21298021283), (7, 3042574469), (11, 1936183753), (29, 734414527), (47, 453149389), (77, 276597679), (203, 104916361), (319, 66764957), (329, 64735627), (517, 41195399), (1363, 15625841), (2233, 9537851), (3619, 5885057), (9541, 2232263), (14993, 1420531), (104951, 202933)]