21993010977

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{33783427}}^1$

素因数の和:33783468

約数の個数: 16

約数和(自身を含む): 34594230272

約数和(自身を除く): 12601219295

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 33783427, 101350281, 236483989, 709451967, 1047286237, 3141858711, 7331003659, 21993010977]

約数ペア:

[(1, 21993010977), (3, 7331003659), (7, 3141858711), (21, 1047286237), (31, 709451967), (93, 236483989), (217, 101350281), (651, 33783427)]