21186972

素因数分解:

$2^2\times 3^2\times {\mathrm{101}}^1\times {\mathrm{5827}}^1$

素因数の和:5938

約数の個数: 36

約数和(自身を含む): 54095496

約数和(自身を除く): 32908524

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 101, 202, 303, 404, 606, 909, 1212, 1818, 3636, 5827, 11654, 17481, 23308, 34962, 52443, 69924, 104886, 209772, 588527, 1177054, 1765581, 2354108, 3531162, 5296743, 7062324, 10593486, 21186972]

約数ペア:

[(1, 21186972), (2, 10593486), (3, 7062324), (4, 5296743), (6, 3531162), (9, 2354108), (12, 1765581), (18, 1177054), (36, 588527), (101, 209772), (202, 104886), (303, 69924), (404, 52443), (606, 34962), (909, 23308), (1212, 17481), (1818, 11654), (3636, 5827)]