21446117

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 28615680

約数和(自身を除く): 7169563

約数列:

[1, 7, 11, 19, 77, 107, 133, 137, 209, 749, 959, 1177, 1463, 1507, 2033, 2603, 8239, 10549, 14231, 14659, 18221, 22363, 28633, 102613, 156541, 161249, 200431, 278521, 1128743, 1949647, 3063731, 21446117]

約数ペア:

[(1, 21446117), (7, 3063731), (11, 1949647), (19, 1128743), (77, 278521), (107, 200431), (133, 161249), (137, 156541), (209, 102613), (749, 28633), (959, 22363), (1177, 18221), (1463, 14659), (1507, 14231), (2033, 10549), (2603, 8239)]