21532672

素因数分解:

$2^{12}\times 7^1\times {\mathrm{751}}^1$

素因数の和:782

約数の個数: 52

約数和(自身を含む): 49277056

約数和(自身を除く): 27744384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 751, 896, 1024, 1502, 1792, 2048, 3004, 3584, 4096, 5257, 6008, 7168, 10514, 12016, 14336, 21028, 24032, 28672, 42056, 48064, 84112, 96128, 168224, 192256, 336448, 384512, 672896, 769024, 1345792, 1538048, 2691584, 3076096, 5383168, 10766336, 21532672]

約数ペア:

[(1, 21532672), (2, 10766336), (4, 5383168), (7, 3076096), (8, 2691584), (14, 1538048), (16, 1345792), (28, 769024), (32, 672896), (56, 384512), (64, 336448), (112, 192256), (128, 168224), (224, 96128), (256, 84112), (448, 48064), (512, 42056), (751, 28672), (896, 24032), (1024, 21028), (1502, 14336), (1792, 12016), (2048, 10514), (3004, 7168), (3584, 6008), (4096, 5257)]