121421538

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{321221}}^1$

素因数の和:321239

約数の個数: 32

約数和(自身を含む): 308373120

約数和(自身を除く): 186951582

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 321221, 642442, 963663, 1927326, 2248547, 2890989, 4497094, 5781978, 6745641, 8672967, 13491282, 17345934, 20236923, 40473846, 60710769, 121421538]

約数ペア:

[(1, 121421538), (2, 60710769), (3, 40473846), (6, 20236923), (7, 17345934), (9, 13491282), (14, 8672967), (18, 6745641), (21, 5781978), (27, 4497094), (42, 2890989), (54, 2248547), (63, 1927326), (126, 963663), (189, 642442), (378, 321221)]