21079854

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{61637}}^1$

素因数の和:61664

約数の個数: 24

約数和(自身を含む): 48077640

約数和(自身を除く): 26997786

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 61637, 123274, 184911, 369822, 554733, 1109466, 1171103, 2342206, 3513309, 7026618, 10539927, 21079854]

約数ペア:

[(1, 21079854), (2, 10539927), (3, 7026618), (6, 3513309), (9, 2342206), (18, 1171103), (19, 1109466), (38, 554733), (57, 369822), (114, 184911), (171, 123274), (342, 61637)]