21176276

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{2659}}^1$

素因数の和:2855

約数の個数: 24

約数和(自身を含む): 40666080

約数和(自身を除く): 19489804

約数列:

[1, 2, 4, 11, 22, 44, 181, 362, 724, 1991, 2659, 3982, 5318, 7964, 10636, 29249, 58498, 116996, 481279, 962558, 1925116, 5294069, 10588138, 21176276]

約数ペア:

[(1, 21176276), (2, 10588138), (4, 5294069), (11, 1925116), (22, 962558), (44, 481279), (181, 116996), (362, 58498), (724, 29249), (1991, 10636), (2659, 7964), (3982, 5318)]