21384256

素因数分解:

$2^6\times {\mathrm{67}}^1\times {\mathrm{4987}}^1$

素因数の和:5066

約数の個数: 28

約数和(自身を含む): 43076368

約数和(自身を除く): 21692112

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 134, 268, 536, 1072, 2144, 4288, 4987, 9974, 19948, 39896, 79792, 159584, 319168, 334129, 668258, 1336516, 2673032, 5346064, 10692128, 21384256]

約数ペア:

[(1, 21384256), (2, 10692128), (4, 5346064), (8, 2673032), (16, 1336516), (32, 668258), (64, 334129), (67, 319168), (134, 159584), (268, 79792), (536, 39896), (1072, 19948), (2144, 9974), (4288, 4987)]