21738752

素因数分解:

$2^8\times 7^2\times {\mathrm{1733}}^1$

素因数の和:1763

約数の個数: 54

約数和(自身を含む): 50506218

約数和(自身を除く): 28767466

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 784, 896, 1568, 1733, 1792, 3136, 3466, 6272, 6932, 12131, 12544, 13864, 24262, 27728, 48524, 55456, 84917, 97048, 110912, 169834, 194096, 221824, 339668, 388192, 443648, 679336, 776384, 1358672, 1552768, 2717344, 3105536, 5434688, 10869376, 21738752]

約数ペア:

[(1, 21738752), (2, 10869376), (4, 5434688), (7, 3105536), (8, 2717344), (14, 1552768), (16, 1358672), (28, 776384), (32, 679336), (49, 443648), (56, 388192), (64, 339668), (98, 221824), (112, 194096), (128, 169834), (196, 110912), (224, 97048), (256, 84917), (392, 55456), (448, 48524), (784, 27728), (896, 24262), (1568, 13864), (1733, 12544), (1792, 12131), (3136, 6932), (3466, 6272)]