21687633

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 35942400

約数和(自身を除く): 14254767

約数列:

[1, 3, 9, 11, 33, 47, 59, 79, 99, 141, 177, 237, 423, 517, 531, 649, 711, 869, 1551, 1947, 2607, 2773, 3713, 4653, 4661, 5841, 7821, 8319, 11139, 13983, 24957, 30503, 33417, 40843, 41949, 51271, 91509, 122529, 153813, 219067, 274527, 367587, 461439, 657201, 1971603, 2409737, 7229211, 21687633]

約数ペア:

[(1, 21687633), (3, 7229211), (9, 2409737), (11, 1971603), (33, 657201), (47, 461439), (59, 367587), (79, 274527), (99, 219067), (141, 153813), (177, 122529), (237, 91509), (423, 51271), (517, 41949), (531, 40843), (649, 33417), (711, 30503), (869, 24957), (1551, 13983), (1947, 11139), (2607, 8319), (2773, 7821), (3713, 5841), (4653, 4661)]