21880888972

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{12409}}^1\times {\mathrm{25931}}^1$

素因数の和:38361

約数の個数: 24

約数和(自身を含む): 40548831120

約数和(自身を除く): 18667942148

約数列:

[1, 2, 4, 17, 34, 68, 12409, 24818, 25931, 49636, 51862, 103724, 210953, 421906, 440827, 843812, 881654, 1763308, 321777779, 643555558, 1287111116, 5470222243, 10940444486, 21880888972]

約数ペア:

[(1, 21880888972), (2, 10940444486), (4, 5470222243), (17, 1287111116), (34, 643555558), (68, 321777779), (12409, 1763308), (24818, 881654), (25931, 843812), (49636, 440827), (51862, 421906), (103724, 210953)]