21228032

素因数分解:

$2^9\times 7^1\times {\mathrm{5923}}^1$

素因数の和:5948

約数の個数: 40

約数和(自身を含む): 48482016

約数和(自身を除く): 27253984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3584, 5923, 11846, 23692, 41461, 47384, 82922, 94768, 165844, 189536, 331688, 379072, 663376, 758144, 1326752, 1516288, 2653504, 3032576, 5307008, 10614016, 21228032]

約数ペア:

[(1, 21228032), (2, 10614016), (4, 5307008), (7, 3032576), (8, 2653504), (14, 1516288), (16, 1326752), (28, 758144), (32, 663376), (56, 379072), (64, 331688), (112, 189536), (128, 165844), (224, 94768), (256, 82922), (448, 47384), (512, 41461), (896, 23692), (1792, 11846), (3584, 5923)]