21181536

素因数分解:

$2^5\times 3^2\times {\mathrm{73547}}^1$

素因数の和:73563

約数の個数: 36

約数和(自身を含む): 60235812

約数和(自身を除く): 39054276

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 73547, 147094, 220641, 294188, 441282, 588376, 661923, 882564, 1176752, 1323846, 1765128, 2353504, 2647692, 3530256, 5295384, 7060512, 10590768, 21181536]

約数ペア:

[(1, 21181536), (2, 10590768), (3, 7060512), (4, 5295384), (6, 3530256), (8, 2647692), (9, 2353504), (12, 1765128), (16, 1323846), (18, 1176752), (24, 882564), (32, 661923), (36, 588376), (48, 441282), (72, 294188), (96, 220641), (144, 147094), (288, 73547)]