21329913

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{34019}}^1$

素因数の和:34052

約数の個数: 16

約数和(自身を含む): 32659200

約数和(自身を除く): 11329287

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 34019, 102057, 374209, 646361, 1122627, 1939083, 7109971, 21329913]

約数ペア:

[(1, 21329913), (3, 7109971), (11, 1939083), (19, 1122627), (33, 646361), (57, 374209), (209, 102057), (627, 34019)]