21082900616

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{233}}^1\times {\mathrm{81371}}^1$

素因数の和:81749

約数の個数: 32

約数和(自身を含む): 39986200800

約数和(自身を除く): 18903300184

約数列:

[1, 2, 4, 8, 139, 233, 278, 466, 556, 932, 1112, 1864, 32387, 64774, 81371, 129548, 162742, 259096, 325484, 650968, 11310569, 18959443, 22621138, 37918886, 45242276, 75837772, 90484552, 151675544, 2635362577, 5270725154, 10541450308, 21082900616]

約数ペア:

[(1, 21082900616), (2, 10541450308), (4, 5270725154), (8, 2635362577), (139, 151675544), (233, 90484552), (278, 75837772), (466, 45242276), (556, 37918886), (932, 22621138), (1112, 18959443), (1864, 11310569), (32387, 650968), (64774, 325484), (81371, 259096), (129548, 162742)]