21660352

素因数分解:

$2^6\times 7^2\times {\mathrm{6907}}^1$

素因数の和:6933

約数の個数: 42

約数和(自身を含む): 50007012

約数和(自身を除く): 28346660

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1568, 3136, 6907, 13814, 27628, 48349, 55256, 96698, 110512, 193396, 221024, 338443, 386792, 442048, 676886, 773584, 1353772, 1547168, 2707544, 3094336, 5415088, 10830176, 21660352]

約数ペア:

[(1, 21660352), (2, 10830176), (4, 5415088), (7, 3094336), (8, 2707544), (14, 1547168), (16, 1353772), (28, 773584), (32, 676886), (49, 442048), (56, 386792), (64, 338443), (98, 221024), (112, 193396), (196, 110512), (224, 96698), (392, 55256), (448, 48349), (784, 27628), (1568, 13814), (3136, 6907)]