21113852

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{4153}}^1$

素因数の和:4229

約数の個数: 24

約数和(自身を含む): 39080832

約数和(自身を除く): 17966980

約数列:

[1, 2, 4, 31, 41, 62, 82, 124, 164, 1271, 2542, 4153, 5084, 8306, 16612, 128743, 170273, 257486, 340546, 514972, 681092, 5278463, 10556926, 21113852]

約数ペア:

[(1, 21113852), (2, 10556926), (4, 5278463), (31, 681092), (41, 514972), (62, 340546), (82, 257486), (124, 170273), (164, 128743), (1271, 16612), (2542, 8306), (4153, 5084)]