21000545428

素因数分解:

$2^2\times {\mathrm{173}}^1\times {\mathrm{659}}^1\times {\mathrm{46051}}^1$

素因数の和:46887

約数の個数: 24

約数和(自身を含む): 37020281760

約数和(自身を除く): 16019736332

約数列:

[1, 2, 4, 173, 346, 659, 692, 1318, 2636, 46051, 92102, 114007, 184204, 228014, 456028, 7966823, 15933646, 30347609, 31867292, 60695218, 121390436, 5250136357, 10500272714, 21000545428]

約数ペア:

[(1, 21000545428), (2, 10500272714), (4, 5250136357), (173, 121390436), (346, 60695218), (659, 31867292), (692, 30347609), (1318, 15933646), (2636, 7966823), (46051, 456028), (92102, 228014), (114007, 184204)]