21343232

素因数分解:

$2^{10}\times {\mathrm{19}}^1\times {\mathrm{1097}}^1$

素因数の和:1136

約数の個数: 44

約数和(自身を含む): 44952120

約数和(自身を除く): 23608888

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 512, 608, 1024, 1097, 1216, 2194, 2432, 4388, 4864, 8776, 9728, 17552, 19456, 20843, 35104, 41686, 70208, 83372, 140416, 166744, 280832, 333488, 561664, 666976, 1123328, 1333952, 2667904, 5335808, 10671616, 21343232]

約数ペア:

[(1, 21343232), (2, 10671616), (4, 5335808), (8, 2667904), (16, 1333952), (19, 1123328), (32, 666976), (38, 561664), (64, 333488), (76, 280832), (128, 166744), (152, 140416), (256, 83372), (304, 70208), (512, 41686), (608, 35104), (1024, 20843), (1097, 19456), (1216, 17552), (2194, 9728), (2432, 8776), (4388, 4864)]