21748734

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1709}}^1$

素因数の和:1825

約数の個数: 48

約数和(自身を含む): 54419040

約数和(自身を除く): 32670306

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 101, 126, 202, 303, 606, 707, 909, 1414, 1709, 1818, 2121, 3418, 4242, 5127, 6363, 10254, 11963, 12726, 15381, 23926, 30762, 35889, 71778, 107667, 172609, 215334, 345218, 517827, 1035654, 1208263, 1553481, 2416526, 3106962, 3624789, 7249578, 10874367, 21748734]

約数ペア:

[(1, 21748734), (2, 10874367), (3, 7249578), (6, 3624789), (7, 3106962), (9, 2416526), (14, 1553481), (18, 1208263), (21, 1035654), (42, 517827), (63, 345218), (101, 215334), (126, 172609), (202, 107667), (303, 71778), (606, 35889), (707, 30762), (909, 23926), (1414, 15381), (1709, 12726), (1818, 11963), (2121, 10254), (3418, 6363), (4242, 5127)]