21156862008

素因数分解:

$2^3\times 3^1\times {\mathrm{677}}^1\times {\mathrm{1302121}}^1$

素因数の和:1302807

約数の個数: 32

約数和(自身を含む): 52970322960

約数和(自身を除く): 31813460952

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 677, 1354, 2031, 2708, 4062, 5416, 8124, 16248, 1302121, 2604242, 3906363, 5208484, 7812726, 10416968, 15625452, 31250904, 881535917, 1763071834, 2644607751, 3526143668, 5289215502, 7052287336, 10578431004, 21156862008]

約数ペア:

[(1, 21156862008), (2, 10578431004), (3, 7052287336), (4, 5289215502), (6, 3526143668), (8, 2644607751), (12, 1763071834), (24, 881535917), (677, 31250904), (1354, 15625452), (2031, 10416968), (2708, 7812726), (4062, 5208484), (5416, 3906363), (8124, 2604242), (16248, 1302121)]