21048762

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{10663}}^1$

素因数の和:10722

約数の個数: 32

約数和(自身を含む): 49139712

約数和(自身を除く): 28090950

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 94, 141, 282, 329, 658, 987, 1974, 10663, 21326, 31989, 63978, 74641, 149282, 223923, 447846, 501161, 1002322, 1503483, 3006966, 3508127, 7016254, 10524381, 21048762]

約数ペア:

[(1, 21048762), (2, 10524381), (3, 7016254), (6, 3508127), (7, 3006966), (14, 1503483), (21, 1002322), (42, 501161), (47, 447846), (94, 223923), (141, 149282), (282, 74641), (329, 63978), (658, 31989), (987, 21326), (1974, 10663)]