21419776

素因数分解:

$2^8\times 7^1\times {\mathrm{11953}}^1$

素因数の和:11976

約数の個数: 36

約数和(自身を含む): 48867952

約数和(自身を除く): 27448176

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 11953, 23906, 47812, 83671, 95624, 167342, 191248, 334684, 382496, 669368, 764992, 1338736, 1529984, 2677472, 3059968, 5354944, 10709888, 21419776]

約数ペア:

[(1, 21419776), (2, 10709888), (4, 5354944), (7, 3059968), (8, 2677472), (14, 1529984), (16, 1338736), (28, 764992), (32, 669368), (56, 382496), (64, 334684), (112, 191248), (128, 167342), (224, 95624), (256, 83671), (448, 47812), (896, 23906), (1792, 11953)]