21928428

素因数分解:

$2^2\times 3^3\times {\mathrm{277}}^1\times {\mathrm{733}}^1$

素因数の和:1023

約数の個数: 48

約数和(自身を含む): 57134560

約数和(自身を除く): 35206132

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 277, 554, 733, 831, 1108, 1466, 1662, 2199, 2493, 2932, 3324, 4398, 4986, 6597, 7479, 8796, 9972, 13194, 14958, 19791, 26388, 29916, 39582, 79164, 203041, 406082, 609123, 812164, 1218246, 1827369, 2436492, 3654738, 5482107, 7309476, 10964214, 21928428]

約数ペア:

[(1, 21928428), (2, 10964214), (3, 7309476), (4, 5482107), (6, 3654738), (9, 2436492), (12, 1827369), (18, 1218246), (27, 812164), (36, 609123), (54, 406082), (108, 203041), (277, 79164), (554, 39582), (733, 29916), (831, 26388), (1108, 19791), (1466, 14958), (1662, 13194), (2199, 9972), (2493, 8796), (2932, 7479), (3324, 6597), (4398, 4986)]