21389022

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{6949}}^1$

素因数の和:6982

約数の個数: 40

約数和(自身を含む): 50457000

約数和(自身を除く): 29067978

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 81, 114, 162, 171, 342, 513, 1026, 1539, 3078, 6949, 13898, 20847, 41694, 62541, 125082, 132031, 187623, 264062, 375246, 396093, 562869, 792186, 1125738, 1188279, 2376558, 3564837, 7129674, 10694511, 21389022]

約数ペア:

[(1, 21389022), (2, 10694511), (3, 7129674), (6, 3564837), (9, 2376558), (18, 1188279), (19, 1125738), (27, 792186), (38, 562869), (54, 396093), (57, 375246), (81, 264062), (114, 187623), (162, 132031), (171, 125082), (342, 62541), (513, 41694), (1026, 20847), (1539, 13898), (3078, 6949)]