21141198

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{541}}^1$

素因数の和:729

約数の個数: 48

約数和(自身を含む): 49716576

約数和(自身を除く): 28575378

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 167, 234, 334, 501, 541, 1002, 1082, 1503, 1623, 2171, 3006, 3246, 4342, 4869, 6513, 7033, 9738, 13026, 14066, 19539, 21099, 39078, 42198, 63297, 90347, 126594, 180694, 271041, 542082, 813123, 1174511, 1626246, 2349022, 3523533, 7047066, 10570599, 21141198]

約数ペア:

[(1, 21141198), (2, 10570599), (3, 7047066), (6, 3523533), (9, 2349022), (13, 1626246), (18, 1174511), (26, 813123), (39, 542082), (78, 271041), (117, 180694), (167, 126594), (234, 90347), (334, 63297), (501, 42198), (541, 39078), (1002, 21099), (1082, 19539), (1503, 14066), (1623, 13026), (2171, 9738), (3006, 7033), (3246, 6513), (4342, 4869)]