21225546

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1171}}^1$

素因数の和:1251

約数の個数: 48

約数和(自身を含む): 49364640

約数和(自身を除く): 28139094

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 53, 57, 106, 114, 159, 171, 318, 342, 477, 954, 1007, 1171, 2014, 2342, 3021, 3513, 6042, 7026, 9063, 10539, 18126, 21078, 22249, 44498, 62063, 66747, 124126, 133494, 186189, 200241, 372378, 400482, 558567, 1117134, 1179197, 2358394, 3537591, 7075182, 10612773, 21225546]

約数ペア:

[(1, 21225546), (2, 10612773), (3, 7075182), (6, 3537591), (9, 2358394), (18, 1179197), (19, 1117134), (38, 558567), (53, 400482), (57, 372378), (106, 200241), (114, 186189), (159, 133494), (171, 124126), (318, 66747), (342, 62063), (477, 44498), (954, 22249), (1007, 21078), (1171, 18126), (2014, 10539), (2342, 9063), (3021, 7026), (3513, 6042)]