21254532

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{136247}}^1$

素因数の和:136267

約数の個数: 24

約数和(自身を含む): 53409216

約数和(自身を除く): 32154684

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 136247, 272494, 408741, 544988, 817482, 1634964, 1771211, 3542422, 5313633, 7084844, 10627266, 21254532]

約数ペア:

[(1, 21254532), (2, 10627266), (3, 7084844), (4, 5313633), (6, 3542422), (12, 1771211), (13, 1634964), (26, 817482), (39, 544988), (52, 408741), (78, 272494), (156, 136247)]