21000295756

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{25119971}}^1$

素因数の和:25120005

約数の個数: 24

約数和(自身を含む): 42201552960

約数和(自身を除く): 21201257204

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 25119971, 50239942, 100479884, 276319681, 477279449, 552639362, 954558898, 1105278724, 1909117796, 5250073939, 10500147878, 21000295756]

約数ペア:

[(1, 21000295756), (2, 10500147878), (4, 5250073939), (11, 1909117796), (19, 1105278724), (22, 954558898), (38, 552639362), (44, 477279449), (76, 276319681), (209, 100479884), (418, 50239942), (836, 25119971)]