21998136

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{53917}}^1$

素因数の和:53943

約数の個数: 32

約数和(自身を含む): 58231440

約数和(自身を除く): 36233304

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408, 53917, 107834, 161751, 215668, 323502, 431336, 647004, 916589, 1294008, 1833178, 2749767, 3666356, 5499534, 7332712, 10999068, 21998136]

約数ペア:

[(1, 21998136), (2, 10999068), (3, 7332712), (4, 5499534), (6, 3666356), (8, 2749767), (12, 1833178), (17, 1294008), (24, 916589), (34, 647004), (51, 431336), (68, 323502), (102, 215668), (136, 161751), (204, 107834), (408, 53917)]