21967154

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{52553}}^1$

素因数の和:52585

約数の個数: 16

約数和(自身を含む): 37838880

約数和(自身を除く): 15871726

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 52553, 105106, 578083, 998507, 1156166, 1997014, 10983577, 21967154]

約数ペア:

[(1, 21967154), (2, 10983577), (11, 1997014), (19, 1156166), (22, 998507), (38, 578083), (209, 105106), (418, 52553)]