21724128

素因数分解:

$2^5\times 3^2\times {\mathrm{75431}}^1$

素因数の和:75447

約数の個数: 36

約数和(自身を含む): 61778808

約数和(自身を除く): 40054680

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 75431, 150862, 226293, 301724, 452586, 603448, 678879, 905172, 1206896, 1357758, 1810344, 2413792, 2715516, 3620688, 5431032, 7241376, 10862064, 21724128]

約数ペア:

[(1, 21724128), (2, 10862064), (3, 7241376), (4, 5431032), (6, 3620688), (8, 2715516), (9, 2413792), (12, 1810344), (16, 1357758), (18, 1206896), (24, 905172), (32, 678879), (36, 603448), (48, 452586), (72, 301724), (96, 226293), (144, 150862), (288, 75431)]