21190078

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{673}}^1$

素因数の和:868

約数の個数: 32

約数和(自身を含む): 39404736

約数和(自身を除く): 18214658

約数列:

[1, 2, 7, 13, 14, 26, 91, 173, 182, 346, 673, 1211, 1346, 2249, 2422, 4498, 4711, 8749, 9422, 15743, 17498, 31486, 61243, 116429, 122486, 232858, 815003, 1513577, 1630006, 3027154, 10595039, 21190078]

約数ペア:

[(1, 21190078), (2, 10595039), (7, 3027154), (13, 1630006), (14, 1513577), (26, 815003), (91, 232858), (173, 122486), (182, 116429), (346, 61243), (673, 31486), (1211, 17498), (1346, 15743), (2249, 9422), (2422, 8749), (4498, 4711)]