21152732

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{5347}}^1$

素因数の和:5417

約数の個数: 24

約数和(自身を含む): 39532416

約数和(自身を除く): 18379684

約数列:

[1, 2, 4, 23, 43, 46, 86, 92, 172, 989, 1978, 3956, 5347, 10694, 21388, 122981, 229921, 245962, 459842, 491924, 919684, 5288183, 10576366, 21152732]

約数ペア:

[(1, 21152732), (2, 10576366), (4, 5288183), (23, 919684), (43, 491924), (46, 459842), (86, 245962), (92, 229921), (172, 122981), (989, 21388), (1978, 10694), (3956, 5347)]