21384145772

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{6427}}^1\times {\mathrm{75619}}^1$

素因数の和:82061

約数の個数: 24

約数和(自身を含む): 40831170240

約数和(自身を除く): 19447024468

約数列:

[1, 2, 4, 11, 22, 44, 6427, 12854, 25708, 70697, 75619, 141394, 151238, 282788, 302476, 831809, 1663618, 3327236, 486003313, 972006626, 1944013252, 5346036443, 10692072886, 21384145772]

約数ペア:

[(1, 21384145772), (2, 10692072886), (4, 5346036443), (11, 1944013252), (22, 972006626), (44, 486003313), (6427, 3327236), (12854, 1663618), (25708, 831809), (70697, 302476), (75619, 282788), (141394, 151238)]