21430542

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{72893}}^1$

素因数の和:72912

約数の個数: 24

約数和(自身を含む): 49859496

約数和(自身を除く): 28428954

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 72893, 145786, 218679, 437358, 510251, 1020502, 1530753, 3061506, 3571757, 7143514, 10715271, 21430542]

約数ペア:

[(1, 21430542), (2, 10715271), (3, 7143514), (6, 3571757), (7, 3061506), (14, 1530753), (21, 1020502), (42, 510251), (49, 437358), (98, 218679), (147, 145786), (294, 72893)]