21471184

素因数分解:

$2^4\times 7^1\times {\mathrm{191707}}^1$

素因数の和:191722

約数の個数: 20

約数和(自身を含む): 47543584

約数和(自身を除く): 26072400

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 191707, 383414, 766828, 1341949, 1533656, 2683898, 3067312, 5367796, 10735592, 21471184]

約数ペア:

[(1, 21471184), (2, 10735592), (4, 5367796), (7, 3067312), (8, 2683898), (14, 1533656), (16, 1341949), (28, 766828), (56, 383414), (112, 191707)]