21014512

素因数分解:

$2^4\times {\mathrm{661}}^1\times {\mathrm{1987}}^1$

素因数の和:2656

約数の個数: 20

約数和(自身を含む): 40797736

約数和(自身を除く): 19783224

約数列:

[1, 2, 4, 8, 16, 661, 1322, 1987, 2644, 3974, 5288, 7948, 10576, 15896, 31792, 1313407, 2626814, 5253628, 10507256, 21014512]

約数ペア:

[(1, 21014512), (2, 10507256), (4, 5253628), (8, 2626814), (16, 1313407), (661, 31792), (1322, 15896), (1987, 10576), (2644, 7948), (3974, 5288)]