21416416

素因数分解:

$2^5\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1427}}^1$

素因数の和:1511

約数の個数: 48

約数和(自身を含む): 48940416

約数和(自身を除く): 27524000

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 67, 112, 134, 224, 268, 469, 536, 938, 1072, 1427, 1876, 2144, 2854, 3752, 5708, 7504, 9989, 11416, 15008, 19978, 22832, 39956, 45664, 79912, 95609, 159824, 191218, 319648, 382436, 669263, 764872, 1338526, 1529744, 2677052, 3059488, 5354104, 10708208, 21416416]

約数ペア:

[(1, 21416416), (2, 10708208), (4, 5354104), (7, 3059488), (8, 2677052), (14, 1529744), (16, 1338526), (28, 764872), (32, 669263), (56, 382436), (67, 319648), (112, 191218), (134, 159824), (224, 95609), (268, 79912), (469, 45664), (536, 39956), (938, 22832), (1072, 19978), (1427, 15008), (1876, 11416), (2144, 9989), (2854, 7504), (3752, 5708)]