21930503

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{911}}^1$

素因数の和:1118

約数の個数: 16

約数和(自身を含む): 26557440

約数和(自身を除く): 4626937

約数列:

[1, 7, 19, 133, 181, 911, 1267, 3439, 6377, 17309, 24073, 121163, 164891, 1154237, 3132929, 21930503]

約数ペア:

[(1, 21930503), (7, 3132929), (19, 1154237), (133, 164891), (181, 121163), (911, 24073), (1267, 17309), (3439, 6377)]