21717836

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{40823}}^1$

素因数の和:40853

約数の個数: 24

約数和(自身を含む): 45722880

約数和(自身を除く): 24005044

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 40823, 81646, 163292, 285761, 571522, 775637, 1143044, 1551274, 3102548, 5429459, 10858918, 21717836]

約数ペア:

[(1, 21717836), (2, 10858918), (4, 5429459), (7, 3102548), (14, 1551274), (19, 1143044), (28, 775637), (38, 571522), (76, 285761), (133, 163292), (266, 81646), (532, 40823)]