21863142

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{57839}}^1$

素因数の和:57857

約数の個数: 32

約数和(自身を含む): 55526400

約数和(自身を除く): 33663258

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 57839, 115678, 173517, 347034, 404873, 520551, 809746, 1041102, 1214619, 1561653, 2429238, 3123306, 3643857, 7287714, 10931571, 21863142]

約数ペア:

[(1, 21863142), (2, 10931571), (3, 7287714), (6, 3643857), (7, 3123306), (9, 2429238), (14, 1561653), (18, 1214619), (21, 1041102), (27, 809746), (42, 520551), (54, 404873), (63, 347034), (126, 173517), (189, 115678), (378, 57839)]