21912429

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{3271}}^1$

素因数の和:3321

約数の個数: 32

約数和(自身を含む): 37693440

約数和(自身を除く): 15781011

約数列:

[1, 3, 7, 11, 21, 29, 33, 77, 87, 203, 231, 319, 609, 957, 2233, 3271, 6699, 9813, 22897, 35981, 68691, 94859, 107943, 251867, 284577, 664013, 755601, 1043449, 1992039, 3130347, 7304143, 21912429]

約数ペア:

[(1, 21912429), (3, 7304143), (7, 3130347), (11, 1992039), (21, 1043449), (29, 755601), (33, 664013), (77, 284577), (87, 251867), (203, 107943), (231, 94859), (319, 68691), (609, 35981), (957, 22897), (2233, 9813), (3271, 6699)]