21044710

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{673}}^1$

素因数の和:792

約数の個数: 32

約数和(自身を含む): 39307680

約数和(自身を除く): 18262970

約数列:

[1, 2, 5, 10, 53, 59, 106, 118, 265, 295, 530, 590, 673, 1346, 3127, 3365, 6254, 6730, 15635, 31270, 35669, 39707, 71338, 79414, 178345, 198535, 356690, 397070, 2104471, 4208942, 10522355, 21044710]

約数ペア:

[(1, 21044710), (2, 10522355), (5, 4208942), (10, 2104471), (53, 397070), (59, 356690), (106, 198535), (118, 178345), (265, 79414), (295, 71338), (530, 39707), (590, 35669), (673, 31270), (1346, 15635), (3127, 6730), (3365, 6254)]