21715678971

素因数分解:

$3^2\times 7^1\times {\mathrm{1051}}^1\times {\mathrm{327967}}^1$

素因数の和:329031

約数の個数: 24

約数和(自身を含む): 35882322944

約数和(自身を除く): 14166643973

約数列:

[1, 3, 7, 9, 21, 63, 1051, 3153, 7357, 9459, 22071, 66213, 327967, 983901, 2295769, 2951703, 6887307, 20661921, 344693317, 1034079951, 2412853219, 3102239853, 7238559657, 21715678971]

約数ペア:

[(1, 21715678971), (3, 7238559657), (7, 3102239853), (9, 2412853219), (21, 1034079951), (63, 344693317), (1051, 20661921), (3153, 6887307), (7357, 2951703), (9459, 2295769), (22071, 983901), (66213, 327967)]