21330456

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{126967}}^1$

素因数の和:126983

約数の個数: 32

約数和(自身を含む): 60944640

約数和(自身を除く): 39614184

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 126967, 253934, 380901, 507868, 761802, 888769, 1015736, 1523604, 1777538, 2666307, 3047208, 3555076, 5332614, 7110152, 10665228, 21330456]

約数ペア:

[(1, 21330456), (2, 10665228), (3, 7110152), (4, 5332614), (6, 3555076), (7, 3047208), (8, 2666307), (12, 1777538), (14, 1523604), (21, 1015736), (24, 888769), (28, 761802), (42, 507868), (56, 380901), (84, 253934), (168, 126967)]